X^3 = -27

i rlly need this right

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Is the point (0, 8) on the x-axis or y-axis? how do you know?