Find the least common denominator of 9/20 and 1/8

Express 90 as the product of its prime factors, Write the prime factors in ascending order

The mean of the numbers 3, 6, 4, x and 7 is 5. Find the standard deviation.

To find the numbers of inches in 3.5 meters, multiply the number of meters given 3.5 by

one custodian cleans a suite of offices in 9 hours when a second worker is asked to join the regular custodian the job takes only four and a half hours how long does it take the second worker to do the same job alone

In a survey 37% of people chose salads over a meat dish in all 81 people chose salads how many people were in the survey

Witch of the expressions below could be used to find the amount of space occupied by the cone

What would be the answer. katlyn made 4 dresses with 7 yards of fabric. how many yards did she use on 1 dress

What is the simplified version of 3x•5-x-2

How do you do evaluating expressions

Ryan bought 36 cupcakes at the bakery. He was given an additional 8 cupcakes for being a valued member the bakery is packing the cupcakes by placing 6 in each box. How many boxes will the bakery need?