9•(-5)

a. -45
b. -95
c. 4
d. 45

(-0..2)(8...8)

a. the product is zero.
b. positive
c. negative

-2,9,-10,3,5,1

a. 1
b. 6
c. -6
d. -1

12 - 16 ÷ (-4)

a. -1
b. 1
c. 8
d. 16

p/3p

a. -24
b. 2
c. -2
d. 24

()(x)=0

a. -3
b. 4
c. 0
d. 1

12963.14846

a. 12900
b. 12863.14
c. 12863.15
d. 12800

(1.63)(9.95)(2.46)

a. 40
b. 60
c. 54
d. 36

x/9 = -6

a. 54
b. 48
c. -48
d. -54

equation 1: 3x = 12 equation 2: x =4

a. addition property of equality
b. multiplication property of equality
c. division property of equality
d. subtraction property of equality

Given: ad¯¯¯¯¯ is an altitude. prove: ab2+ac2=cb2 right triangle a b c with right angle a. point d lies on side b c and segment a d is drawn. angle a d c is a right angle. drag and drop a reason into each box to correctly complete the two-column proof. statement reason ad¯¯¯¯¯ is an altitude, and ∠bac is a right angle. given ∠adb and ∠adc are right angles. definition of altitude ∠bac≅∠bda ? ∠bac≅∠adc ? ∠b≅∠b ? ∠c≅∠c reflexive property of congruence △abc∼△dba ? △abc∼△dac aa similarity postulate abbd=cbab ? ab2=(cb)(bd) cross multiply and simplify. acdc=cbac polygon similarity postulate ac2=(cb)(dc) cross multiply and simplify. ab2+ac2=ab2+(cb)(dc) addition property of equality ab2+ac2=(cb)(bd)+(cb)(dc) substitution property of equality ab2+ac2=(cb)(bd+dc) ? bd+dc=cb segment addition postulate ab2+ac2=cb2 substitution property of equality

Anew landowner is interested in constructing a fence around the perimeter of her property. her property is 1,080√30 feet wide and 500√20 feet long. what is the perimeter of the property? (recall that the perimeter is the sum of each side of a shape or boundary). a 1,580√40 feet b. 5,320√5 feet c. 3,160√20 feet d. 10,640√5 feet

Fifty students are trying to raise at least 12,500 for a class trip. they have already raised 1,250. how much should each student raise on average in order to meet the goal? write and solve the two step inequality for this problem