Variable expression for 3x+7

If you are 4/7 mile from your home and you can walk 4 5/7 miles per hour, how long it will take you to walk home?

A 99% confidence interval estimate can be interpreted to mean that: A) if all possible sample sizes of n are taken and confidence interval estimates are developed, 99% of them would include the true population mean somewhere within their interval.

What is the fraction and percentage to match 0.125

find the smaller of 2 consecutive integers, x, if the sum of the smaller and 6 times the larger is - 29

Tammy is selling cookies for a fundraiser. She promised to sell 120 boxes by the end of the month. If she has sold 1/3 of her boxes so far, how many boxes has she sold

Peter measured the width of one cardboard strip as 3 1/4 ft. A second cardboard strip measured 3 2/3 ft in width. Estimate the combined width of the cardboard strips. a. 12 ft b. 6 ft c. 5 ft d. 7 ft

A piece of hot metal is cooling at a linear rate. Its Temp. After 4 minutes is 310 deg. Its Temp. After 7 minutes is 205 deg. When will the object be 30 deg.?

17u-8u=18 Can u explain how this works

What percent of 140 is 3?

Joy is planning to purchase a sweater that costs $30 dollars at her local department store. The sweaters are on sale for 20% off. Which steps are needed to find the sale price of the sweater? A. Convert the percent to its decimal equivalent.