Explain why numbers with a 5 in ones place or not prime numbers

Why might you need measure a perimeter with a measuring tape instead of a ruler

The sum of two numbers is 65. The smaller number is 11 less than the larger number. What are the numbers?

An elevator is on the twentieth floor. It goes down 11 floors and then up 5 floors. What floor is the elevator now

Dry cleaning bill is shown by y = 1.50x + 4.50. Y is the total cost and x is the number of shirts. What is the fee regardless of how many shirts? $9 $4.50 $1.50 $6

Find two consecutive whole numbers that 86 lies between.

Suppose $x$,$y$, and $z$ form a geometric sequence. if you know that $x+y+z=18$ and $x^2+y^2+z^2=612$, find the value of $y$.

A manager checked production records and found that a worker produced 160 units while working 40 hours. In the previous week, the same worker produced 138 units while working 36 hours.

What is a balanced equation using numbers 9,7,2,1,6?

Part of the population of 10,800 hawks at a national park are building a nest. A random sample of 72 hawks shows that 12 of them are building a nest. Estimate the number of hawks building a nest in the population.

Olivia has $220 to buy presents for her 3 sisters and 2 nephews. She wants to spend $10 more on each sister than she spends on each nephew.