Answer:
12 trips
Step-by-step explanation:
219 - 45 = 174
174 ÷ 14.5 = 12 (trips)
you subtract 45 from 219 because she will make that amount of points no matter what, then you divide to show the total amount of trips she needs to take
Answer:
6, 8 and 10
Step-by-step explanation:
2x+3(x+4)=42
5x+12=42
5x=30
x=6
The numbers are 6, 8 and 10.
direct variation
u=kv
6=k(-7)
k=-6/7
u=kv
u =-6/7 * 4
u =-24/7
Answer: u = -24/7 or -3 3/7
It's an isosceles triangle. The best way to solve these problems is to just visualize the cross section. If you just think about it, it makes sense.
would be equal 
.