
above is the distance formula, plugging your numbers from P(x1,y1) and Q(x2,y2).

or
The cross-section of a square pyramid will be a square. The section above the cross-section taken will basically be a similar but smaller square pyramid. D is the correct answer.
Answer: 10x-30=90 I think 10x=90-30, 10x=60, x=60/10, x=6
Step-by-step explanation:
Answer: 39
Step-by-step explanation:
x(z+3)+1+3-y
plug in the values given for each variable
6(2+3)+1+3-(-5)
use pemdas to solve
6(5)+1+3+5
30+1+3+5
31+8
39