Answer:
I think the constant is 2.
Step-by-step explanation:
5 is coefficient because it is with a variable. So 5 cannot be constant.
Step-by-step explanation:
2t² + 3
2 x 9 + 3
18 + 3
21 is instanous rate
Answer:

Step-by-step explanation:
The formula for the area of a triangle is 
The triangles that can be made is the triangle that has legs 20 and 50 and the triangle that has legs 20 and 10.
Since there are 2 of each triangles, we get:

The answer that fits is the first option.
Answer:
A. -1.75
Step-by-step explanation:
- means negative, so -1. 1 quarter of 1 would be .25, 2 quarters would be .50, 3 quarters would be .75, and 4 quarters would be 1.0.