Answer:
f(-9) = 279
Step-by-step explanation:
f(x) = 4x^2 + 7x + 18
f(-9) = 4(-9)^2 +7(-9) + 18
= 4(81) - 63 + 18
= 324 - 63 + 18
= 279
Answer:true
Explanation:
24+24=48
48-8=40
40x2=80
80=80!
So it is true.
Answer: x = 8/5
Explanation:
5x-2 = 6
5x = 6 + 2
5x = 8
x = 8/5
The measure would be 20 since five times four is 20
Answer:
4 rows
Step-by-step explanation:
GCF of 12 and 16 is4