Which table shows a proportional relationship between x and y?

a x 8 12 14 16
y 2 3 4 5

b x 1 4 5 10
y 15 60 70 120

c x 3 4.5 8 12
y 2 3 4 8

d x 1 2 5 7
y 5 10 25 35

Bill works as a waiter and is keeping track of the tips he ears daily. about how much does bill have to earn in tips on sunday if he wants to average $22 a day? tips by day tips (dollars) monday tuesday wednesday thursday friday saturday $14 $22 $28 $36

Rewrite the following quadratic functions in intercept or factored form. show your work. y = x^2 + 7x + 10

1. ∠1 is complementary to ∠2 and ∠3 is complementary to ∠2. subtraction property of equality 2. m∠1 + m∠2 = 90 and m∠3 + m∠2 = 90 substitution 3. m∠1 + m∠2 = m∠3 + m∠2 definition of complementary 4. m∠1 = m∠3 given