R/9 = -21
Multiply by 9
r = -189
Answer:
4 right angles
Step-by-step explanation:
a straight light intersects another straight line= creating 4 right angles
Answer:
y-intercept: (0, -1.2)
Step-by-step explanation:
Answer:
The average is around 75.5
Step-by-step explanation:
Answer:
21.5
Step-by-step explanation:
19^2+10^2=461
square root of 461 =21.47091055
round to the nearest tenth to get 21.5
