Which expression is equivalent to

3w+8w?

Karen is planning to drive 882 miles on a road trip. If she drives 147 miles a day, how many days will it take to complete the trip?

Write an expression equivalent to 5 x squared - 15x

The opening in a rectangular door frame measures 9 feet by 3 feet. Each of the four doors described in the table measures 9 feet by 3 feet, but have different diagonal lengths.

A 20 foot ladder is leaned against a wall. If the base of the ladder is 8 feet from the wall, how high up on the wall will the ladder reach?

For f (x) = 0.01 (2) x, find the average rate of change from x = 12 to x = 15. 3 40.96 95.57 286.72

Brass costs $0.90 per pound, copper costs $2.15 per pound, and aluminium costs $0.75 per pound. Which medal would you recommend be for, for use as a heat sink in the tablet?

You earn $72 for every 8 hours you spend shoveling snow. You earn $60 for every 5 hours you spend babysitting. For every 3 hours you spend babysitting, you spend 2 hours shoveling snow. You babysit for 15 hours in January.

Beth can run 3 miles in 25.8 minutes. How long does it take her to run1 one mile you

Kelly has a ribbon that is 60 inches long she cuts at 40% of ribbon for an art project while working on the project she decided she only needs 35% of the pieces she cut off how much of the ribbon does Kelly end up using in a project

Which expression is equivalent to x (y+z) ? a) xyz b) x+y+z c) xy+z d) xy+xz