What is the value of the expression below (81^2) ^1/2

Maria skates 40 feet due south in a skating rink. Then she skates 60 feet due east. Maria then skates diagonally across the ring back to where she started. What is the total distance, to the nearest foot, maria skates.

How to prove that ice is less dense than liquid water with density, using a cup?

Dakota fills a measuring cup with 5/8 cup of sugar 2 times to make a cake. Which multiplication equation shows the total amount of sugar Dakota uses? A. 2x 5/8 = 10/16 cup of sugar B. 5 x 1/8 = 5/8cup of sugar C. 5 x 2/8 = 7/8 cup of sugar D.

How many solutions does this equation have? 4x - 10 2 = 2x - 5

What is the radius and diameter of the following circle? 5.1 cm radius= diameter=

An arithmetic sequence is defined by the general term tn = - 5 + (n - 1) 78, where n ∈N and n ≥ 1. What is the recursive formula of the sequence?

What is the explicit formula for the arithmetic sequence 2, 7, 12, 17,

Find equation in slope-intercept form. Slope = -1, ordered pair: (4,-3)

What is the geometric mean between 64 and 49

Yvette uses 6 games of tea leaves to make 24 Fluid ounce of tea. Last week she made 288 fluid ounce of tea. How many grams of tea leaves did Yvette use to make tea last week