Answer: 39
Step-by-step explanation: you have to plug in -4 into each x so that would be f(-4)=2(-4)(2)+7(-4)(3)-8(-4)(2)-21(-4)+7= 39
Answer:
196
Step-by-step explanation:
diameter is 14. also side of square. so 14 x 14 is answer 14 x 14 is 196.
Answer:
common multiples: 24, 48, 72, 96
Answer: 1.91
Step-by-step explanation:
V=54m³
r=3m
V=r²π*H
h=V/r²π
H=54/9π
H=1.91m