Answer:
40
Step-by-step explanation:
Let the number be y
-1/2 × y = -20
y = -20 ÷ -1/2
y = 20 × 2
y = 40
Answer:
Step-by-step explanation:
if the angles c and l were marked with the angle curve like angles j and a
Okay the height would be nice if it would have to come