Short explanation for complex numbers

What is the longest stick that can be placed inside a box 15 cm long 20 cm wide and 60 cm high?

A cab driver told Bernice her fare came to a total of $7.75. She pays with a $10 bill. How much change should she get?

Samantha buys one vase and x roses. The vase costs $15 and each rose costs $2. What function equation represents the amount of money Samantha spends? f (x) = 15x-2 f (x) = 2x+15 f (x) = 2x-15 f (x) = 15x+2

Factor the following expression: x2 + 7x - 30.

Nu is designing a rectangular sandbox. The bottom is 16 square feet. Which dimensions require the least amount of material for the sides of the sandbox?

If both dimensions in a parallelogram are doubled then which statements about its area will be true 1. The ratio of the new area to the old area will be 2:1. 2. The ratio of the new area to the old area will be 1:4 3.

A pizza place charges for pizzas and adds a delivery fee the cost in dollars to have have any number of pizzas delivered to a home is described by the function c=12p+5 How much would 3 pizzas cost?

Which is more: 26 fluid ounces or 2 pints?

The greatest roadrunner can run 16 miles per hour. A frightened ostrich can run 3 times faster. How fast can a frightened ostrich run

two different subtraction problems that use only odd numbers for numerators and each have different of 3/4.