When I run up a staircase, my stride can carry me up 1, 2, or 3 steps at a time. In how many ways can I run up a 9-step staircase (given that my last stride lands me on the 9th step) ?

Aiden's mom calculated that in the previous month, their family had used 40% of their monthly income for gasoline, and 63% of that gasoline was consumed by the family's SUV. If the family's SUV used $261.

Express the seventh root of unity in standard form a+bi

How many meters are in a 5 km race

Solve for x 3x+4=9x+3

If the diameter of a circle is 8 cm, what is the exact circumference of the circle? A 2π cm B 4π cm C 8π cm D 16π cm

What does it mean when it says to estimate the sum or difference? In a math problem: 6/7+3/8 and 4/5+2 7/8.

60 minutes is 20% of what number

Negative 3/4 plus negative 3/8

Jaimi went to have a manicure that cost $30. She wanted to tip the technician 20% and tax is 5.75%. how much did she spend total for the manicure?

Which description represents this type of sequence - 99, - 96, - 92, - 87, - 81