Mari has 28 wooden cubes. She wants to stack them to form a triangle. Each row will have one block fewer than the row below it. How many blocks will be in the bottom row of the pyramid?

What is the eighth term in the arithmetic sequence defined by the explicit formula an=2n+7? a8=

Find the selling price of a $450 painting with 45% markup

X is all the following except

What is the breaking apart expression of 5*617

In a triangle, the largest angle is 3 less than twice the smallest angle. The middle-sized angle is 7 more than the smallest angle. Find the measures (in degrees) of the three angles in the triangle.

Josiah sold 3 shirts for $24.50 each and 2 pairs of jeans for $30.00 each. Which expression can be used to find x, the total amount of money he collected from the sale?

Lola is placing appetizers on plates She has 63 spring rolls and 84 cheese cubes She wants to include both appetizers on each plate Each plate must have the same number of spring rolls and cheese cubes.

What is 0.0162 as a fraction

Is 600 km greater or less than 5 m?

Find total area of a regular pyramid with base of 2 and altitude of 3