90 square ft (try and look at it like each side is a 2d rectangle, find the areas of the sides and then add them up.)
1. all functions are relations.
2.
-7 + 3(-12) ÷ (-3)
-7 - 36 ÷ -3
-7 - (-12)
-7 + 12
5
3.
f(n) = n² - n f(-4)
f(-4) = -4² - (-4)
f(-4) = 16 - (-4)
f(-4) = 16 + 4
f(-4) = 20
hope this helped, God bless!
The answer would be C. This is because the larger the negative numbers get, the less value they have, so -8 would have a greater value than -9.
{50a+50c=800
{65a+75c=1100
{15a+15c=240
{13a+15c=220
2a=20
a=10
Golf course charge for adults $10
