Answer:
Assume x is directly proportional to y :

when y is 9, x is 2:
substitute to find value of k :

Therefore, equation is:

66.5cm
Split the shape into a square and triangle and find the area separately
Square: 8*7=57
Triangle: 7*3/2 = 10.5
=66.5
Answer:
First option: (Substitute)
2x+3 (x+1.5) = 12
Answer:
-2y^2 + y +32
Step-by-step explanation:
The variable with the highest exponent is y^2
Answer:
C
Step-by-step explanation:
x ^m/n=n√x^m
to rewrite the exponentiation as a radical.