A brick measures 30 cm * 10 cm * 7 1/2. How many bricks will be required for a wall 30 m long. 2 m high and 3/4 m thick?

If there are 170 students in 12th grade, what percentage of the twelfth grade students have more than one college in mind

A triangle has two angles with measures 43 and 51. What is the third angle in Euclidean geometry? What is the third angle in Spherical geometry?

Use parentheses to make this statement true: 8 x 4 - 2 x 3 + 8 / 2 = 25

Identify which type of sampling is used: random, systematic, convenience, stratified, or cluster. To determine customer opinion of their check dash in service , American Airlines randomly selects 110 flights during a certain week and surveys all

The sum of two numbers is 50. One number is 10 less than three times the other number. What are the two numbrs

Jade said that the amount of money Ebony took out of her account each day between Day 8 and Day 12 was the same amount of money she put into her account each day between Day 0 and Day 4. Recall that Day 12 is when the balance first reached $0.

Karyn proofread a 15 pages in 2 hours for $40. a. What is her proofreading rate per pages per hour? b. How much does she receive on average per a page?

The Norwood Tigers are having team shirts made. One option is to pay Harold's Tees a $41 setup fee and then buy the shirts for $10 each. Another option is to go to City Printing, paying $36 for a setup fee and an additional $15 per shirt.

The sum of the roots of the equation x 2 + x = 2 is:

3/5=a+5/25 A= Using proportional reasoning