PLEASE HELP ME 16 points Which expression is equivalent to (2 + 3) + 5?
A)
2+(3+5)
B)
2(3 + 5)
2 + 15
D)
6 + 5

Barbara's piano instructors house is 7 1/8 miles from her house. after biking for 1 3/4 miles she stops to rest how much longer does she need to bike to reach her instructor's house

What is the size of the matrix resulting from

Three cylinders have a volume of 2836 cm^3. cylinder a has a height of 900 cm. cylinder b has a height of 225 cm. cylinder c has a height of 100 cm. find the radius of each cylinder. use 3.14 as an approximate for π