Use mental math to find the sum. 49 27

A circle is centered at (3, 8) and is tangent to the x-axis. Write its equation in standard form.

I think of a number, multiply it by three, and add four. I get twenty two. Using the statement above, form an equation. Use the letter x for the unknown number.

Complete the factorization of 3r2 - 10x + 8. 3x? - 10x + 8 = (x -

Dots sells T-shirts ($3) and shorts ($7). In April, total sales were $520. People bought 2 times as many T-shirts as shorts. How many T-shirts and shorts did Dots sell?

A Machine in a factory has an error rate of 10 per 100. The machine normally runs 24 hours a day and produces 30 parts per hour. Yesterday the machine was shut down for 4 hours for repairs. How many good parts did it produce yesterday?

How many times does 50 go into 100

What is the expression for "the difference between four times a number and three times that number"? 4 (3 - N) 4N - 3N 3N - 4N

A boat traveled 336 miles downstream and back. the trip downstream took 12 hours. the trip back took 14 hours. what is the speed of the boat instill water? what is the speed of the current?

Determine the numerical value of y = (a+1) (b+1), Knowing that ab = - 6 and a+b=1

Susie wants to have at least a 90 average for the year in her Algebra class. Her current test scores are 85, 100, 86, and 97. What does she need to score on her fifth test to have at least a 90 average?