Question 28 of 43 Mahua has money automatically deposited into a savings account each
week. After 5 weeks, she has $20. After 7 weeks, she has $28. The unit rate is
measured in dollars per week. What is the constant of proportionality?

A. 1 / 2
B. 4.
C. 8
D. 15

answer: a and c are correct

step-by-step explanation:

the +5 is the vertical translation

the added negative symbol in front is the reflection over the y-axis

they are simplified

step-by-step explanation:

i dont understand the question? ?

step-by-step explanation:

x = -4

step-by-step explanation:

- 20 - 4(x + 3) = 4x

=> -20 - 4x - 12 = 4x

=> - 32 -4x = 4x

=> -32 = 4x + 4x

=> - 32 = 8x

=> -32/8 = x

=> -4 = x