What is the value of the expression 3 to the power of - 4?

a) - 1/81

b) - 81

c) - 12

d) 1/81

A rectangle is ... a rhombus. Always Sometimes Never

Find the 7th term of the geometric sequence 2,6,18

A painter has a 24-foot ladder that he is using to paint a house. For safety reasons, the ladder must be placed at least 8 feet from the base of the side of the house. To the nearest tenth of a foot, how high can the ladder safely reach?

The marketing manager for an electronics chain store wants information about the ages of its customers.

Use three different values of n to demonstrate that 2n+3n is equivalent to 5n

A sand volleyball court has an area of 162 square meters and a perimeter of 54 meters. What are the dimensions of the volleyball court?

If a number is a multiple of 64, then it is a multiple of 8. If a number is a multiple of 8, then it is a multiple of 2.

2.38+4.89=3 + _ changing expressions?

The tax rate is 7.5%. What is the tax on $110? round to the nearest hundreth.

Find the unit rate of 42 teaspoons for 6 cups