Sum of one-half of a number and 4 is - 16. find the number

How many lawns can you move with one gallon of gasoline if you maintain the rate of 1/2 gallon of gasoline per 1/4 lawn mowed

A hot air balloon went from an elevation of five rather than 5 feet in elevation of 3128 feet in 38 minutes. What was its rate of descent? The rate of the descent was BLANK Feet per minute?

The length of a rectangle is 5 inches more than its width, x. The area of a rectangle can be represented by the equation x2 + 5x = 300. What are the measures of the width and the length?

What is the value of expression below? 7/2-4.5x3+8

Find the measure of the third angle of a triangle given the measures of two angles 57 and 101 72 and 72 x and 20

My shoes were only $49.50, but I also had to pay 4% tax. What was my total?

For } (x) = 3x + 1 and g (x) = 72-6, find (f + g) (x).

Angle A is circumscribed about circle O. What is the measure of angle O?

How do you do 2.06 in expanded form

Nia guesses that there are 120 nickels in a jar, but there are actually 125. What was her percent error.