Answer:
2r - 36
Step-by-step explanation:
r x r = 2r
-9 x 4 = -36
Answer:
n = -31.5
Step-by-step explanation:
let 'n' = the number
n/-1.5 = 21
to solve for 'n', multiply each side by -1.5 to get:
n = -31.5
Answer: 152 units square 2
Step-by-step explanation:
Because every right angled triangle has an Hypotenuse, adjacent and opposite