Convert 18.31 meters to centimeters

What is the answer to 1/2 + (-2/3) =

100 more than 146 is

5 more than the number of paper clips divided into 4 groups

An adult blinks about 450 times in 30 minuets. a twelve year old blinks about 150 times in 15 minuets. how many more times does an adult blink in 60 minuets than a twelve year old?

A new novel is selling for $21.95. If it is on sale at 20% off, find the amount of the discount and the sale price.

Simplify the expression 4x^5y^3x3x^8y^7/6x^4y^10

If you know the ratio of inches to centimeters is 1 to 2.54, how can you find the number of centimeters equivalent to 9 inches? What is the relationship between centimeters and inches?

If f (x) = - 3x4 - 2x3 + 3x2, and g (x) = 3x4 - 4x3 + x2 then f (x) + g (x) = A. 2x3 - 2x2 B. - 6x3 + 4x2 C. - 3x4 - 6x3 + 4x2 D. 3x4 + 2x3 - 2x2

How do i solve this 2x+y=2 - 2x-5y=14

Using side lengths only, could the triangles be similar? Triangle X Y Z. Side X Y is 1.5, X Z is 1, Z Y is 2. Triangle Q S R. Side Q R is 1, R S is 1.5, S Q is 0.5.