Aparticular model of walkie-talkie can broadcast in a circular area. the radius of the broadcast area is 10,000 feet. find the area of this circle to the nearest square foot. use 3.14 for pi.
a. 314,000,000 ft2
b. 100,000,000 ft2
c. 1,256,000,000 ft2
d. 62,800 ft

Issof claims that the scale factor is 1/2. which statement about his claim is correct

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.