13 + 21 = 13- -21
The minus sign and negative cancel each other out.
Answer:
480 mm³
Step-by-step explanation:
The volume (V) of a pyramid is
V =
area of base × height, hence
V =
× 96 × 15 = 32 × 15 = 480
Answer:
Triangle 1 and 2
Step-by-step explanation:
M= y2 - y1/ x2 - x1
m= 9-9/-2-2
m= 0/-4
m= 0
The slope is 0
Answer:
B and C
Step-by-step explanation:
Slope: 4-(-1)/-3-(-1)
Slope: 5/-2
Slope:-5/2
Point Slope form: y+1=-5/2(x+1)
Point Slope form: y-4=-5/2(x+3)
Correct answers are B and C