Use compatible numbers, and then divide 448 divided by 8

A 450 divided by 10 = 45
B 500 divided by 10 = 50
C 500 divided by 5 = 100
D 450 divided by 5= 90

Simplify the expression 10/11(22z) + (a+5) -1

Luisa sells stuffed animals. she sells her stuffed elephant for $34.90, and the sales tax is 6% of the sale price. about how much is the sales tax on the elephant?

One side of a rectangle is 7 centimeters shorter than six times the other side. find the length of the longer side if we also know that the perimeter of the rectangle is 266 centimeters.