Compute the area of a triangle with sides. 15X15x18

Area=

Divide and answer. 217.14 : 21

A sixth grade teacher can solve 25 multi-step multiplication problems in 20 minutes. Is this working at a faster or slower rate than solving 36 problems in 30 minutes?

The Harris family needs to purchase topsoil for their landscaping project (measuring 50 ft x 40 ft with a thickness of 6 inches of topsoil/mulch). They have two options: a. purchasing the soil in 3 ft3 bags priced at $2.

Mrs. Clark wants to plant rose bushes along the front of her house. The length she wants to cover is 13 feet, and she wants to allow at least 2 feet for each rose bush. If rose bushes cost $17, about how much money will she spend on rose bushes?

It says on the first three days of their trip, the Smiths drove 408 miles, 347 miles, and 419 miles. Altogether how far did they drive in three days

A 2 pound box of salt sells for $.89 and a 5 pound box sells for 2.09. What is the linear equation for this?

Solve equation a+6a-9=30

Which expression makes the equation true for all values of x? 16x - 16 = 4

3x^2-x-16=0 Solve this question

A TV costs £800 plus a VAT if 20% What us the total cost of the TV?