Which expression is equivalent to n + n -.18n

Which geometric instrument would you use to measure the length of a segment, the compass or the straightedge. Why?

Mrs. Ortiz is 5ft 4in tall. Her four year old son is 3ft 8 1/2 tall. Mrs. Ortiz is how much taller than her son?

A 3 foot wide brick sidewalk is laid around a rectangular swimming pool. The outside edge of the sidewalk measures 30 feet by 40 feet. What is the perimeter, in feet, of the swimming pool?

Describe how to find the perimeter of an enlarged figure if you know the scale factor and the dimensions of the original figure.

Question: What is the value of the expression shown? 24 - 52

There are 5 radar stations and the probability of a single radar station detecting an enemy plane is 0.55. What is the probability that the number of stations that detect a plane is no more than 3? Round your answer to nearest hundredth

What is 0.5,0.41,3/5 In least to greatest

A school basketball team has an expense account and a fundraising account. After t weeks, the balance of the expense account is (450-70t) dollars and the balance of the fundraising account is (275+48t) dollars. a.

The what is the least common multiple of the denominators of the fractions

What is the common ratio of the sequence 4, 7, 10, 13 ...