When the age of rita was equal to the present age of shova she was thrice as old as shova wwas. If the sum on Thier present ages is 40 years old, find their ages

Estimate 1 5/5 plus 2 2/12

Factor 4x2-100 completely

Is there anyone really good at math

Combine like terms. y + 2 + 7 (y + 9) =

What is 4x2 - 17x-15=0 using the quadratic formula

Write a number that completes the analogy: x to the power of 2 is to 121, as x to the power of 3 is to?

John has twice as many dimes as nickels. All together he has $2.75. How many dimes do he have?

Explain how to write a function rule from the table below. Then write a function rule X|2|4|6 Y|1|0|-1

A man went into a bank to cash a check. In handing over the money the cashier, by mistake, gave him dollars for cents and cents for dollars. He pocketed the money without examining it, and spent a nickel on his way home.

Question: An emperor penguin is 45 inches tall. It is 24 inches taller than a rockhopper penguin. Write and solve an equation to find the height (in inches) of a rockhopper penguin. Is your answer reasonable? Explain.