Step-by-step explanation:
3r + (9 + 2r + 1)
this can be simplified :
3r + (9 + 2r + 1) = 3r + 2r + 9 + 1 = 5r + 10
Answer: 3.2 qts
Step-by-step explanation:
A=1/2 * b *h
1/2 * 4*8 = 16 square foot
Area is 16 square foot
Multiply the area by the quarts of paint it takes to cover 1 square foot.
16 * 0.2 = 3.2 qts
Answer:
x = 12
Step-by-step explanation:
5x - 30 = 2x + 6
3x = 36
x = 12
Answer:
where is part b? Part A is 4/13
Step-by-step explanation:
this is because in total there are 13 marbles. and when you pull out a marble. 4 of them can be red. you can simplify that fraction if need be.