Tell how to find 81-16 using mental math

How do I solve 3x-5y=9; x=-1,0,1

The graph of a linear function is always straight

1.) Solve and State EXACT solutions: x² = 48

Emily was more likely to attend school then miss class Which could be the probability that she missed class tomorrow A. - 0.4 B. 0.1 C. 0.7 D. 1.2

Sofia is working two summer jobs, making $12 per hour babysitting and making $8 per hour clearing tables. In a given week, she can work a maximum of 17 total hours and must earn a minimum of $180.

3 to the power of 1170

how would you rewrite this expression with parentheses to equal the given value: 5+3*2-6. you have to make it equal 10.

Simplify the algebraic expression: 15xy - 13 + 4x + 3y + xy + 21

At 3:00 ok a truck and a car leave the same intersection traveling in the same direction. The truck is traveling at 43 mph and the car is traveling at 58 mph. At what time will they be 12 mi apart?

Express the recurring decimal 0.56 as a fraction in its simplest form