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!

6 0

2 years ago

A gift basket has a ratio of 3 pears to every4 apples. How many pears are there in a gift basket with 36 apples?

alexandr402 [8]

Answer:

12 pears

Step-by-step explanation:

Since for every 3 pears 4 apples, you have to divide the 36 apples by 3 and recieve 12 pears. Hope this helped.

4 0

2 years ago

What is the missing angle??

JulijaS [17]

114°+x°=180
Subtract 114° for both side
x=66°. Hope it help!

6 0

2 years ago

What is the value of x? <br> X=

brilliants [131]

Answer:

x=7

step-by-step explanation:

$\frac{5}{40} = \frac{3}{2x + 10}$

5(2x+10) =3×40

10x + 50 = 120

10x =120-50= 70

x = 70/10= 7

5 0

2 years ago