Eric practiced piano and guitar for a total of 8 hours this week. He practice the piano for one fourth of that time. How many hours did Eric practice the piano this week?

How to convert 2200 centimeters to meters use one unit multipliers?

Round 9.531 to two decimal places

Number between 67 and 113 there's a multiple of 3,6 and eight

The temperature, in degrees fahrenheit (° f., decreased at a constant rate from 0°f to - 25 °f in 5 hours. by how many degrees did the temperature decrease per hour?

in online movie rental company offers gift certificates that you can use to purchase rental plansyou have a gift certificate for $40 the plan you select cost $5 per month how many months can you purchase with the gift certificate

Write each fraction or mixed number as a decimal 7/15 and 4 3/25

At a factory, a machine puts tops on bottles at a rate of 80 bottles per minute. How many tops can be put on bottles between 8:00 a. m. and 3:30 p. m.?

Which expression represents the greatest common factor (GCF) of 16 and 40?

George is at a trade show and is trading cards. He started the day with 50 cards, traded 5 of his cards for 1 of Billy's cards, traded 2 of his cards for 7 of Eloise's cards, and then traded 6 of his cards for 6 of Migel's cards.

Find the slope of a line perpendicular to 3x+y=15,-1/3, 5, - 3, 1/3