1. -7(6v+4)+3v(v+3)
-42v-28+3v ²+9v
-33v-28+3v ²
=3v ²-33v-28
2. -3k(2k-3)+7(k-7)
-6k ²+9k+7k-49
= -6k ²+16k-49
Answer: 7
How many took 7.5 OR less. This means it includes the hikes that took 7.5 hours. Count all of the ones that start from 7.5 and lower
Answer:
ease
Step-by-step explanation:
sdd
Answer
C
Step-by-step explanation:
2(-4) + 3
-8 + 3
-5
Step-by-step explanation:
Diameter = 10 in
Radius = 5 in
Area of quarter circle = 1/4πr²
Area = 1/4 × 314/100 × 5 × 5
Area = 157/8 = 19.6 in²