What is the sum of 4.34

Write an expression that is equivalent to x+x+x+x+-20

Jack practices his trumpet every 3days. he goes for a run every 4 days. if he did both today, in how many more days will he practice his trumpet and go for a run on the same day? show your work and explain.

A display case for the artifact is in the shape of a cube. Each side of the display case is three times longer than the width if the artifact. write & expression for the volume of the case.

TRUE OR FALSE. World population growth is steady since prehistoric times and so the exponential growth model is applicable and accurate

Sharon has some one-dollar bills and some five-dollar bills. she has 14 bills. the value of the bills is $30.

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.