Set equal to each other since both equal 90
5x-6y=-10x-6y
add 6y to both sides
5x=-10x
x=0
5(0)-6y=-90
-6y=90
divide by -6
y=-15
(x,y)
(0,-15)
Step-by-step explanation:
a=7+3+7=17
b=3
h=8
area=(1/2)(17+3)(8)=80
Step-by-step explanation:
I think the answer is B why don't you use a calculator?
Answer:
-2
Step-by-step explanation:
Plug in the respected values for x and y.
Divide and get -2