Simplify the expression 4x+6x-11x+2+x2-19

The equation of line t is y = 7/8 x + 2. Line u is perpendicular to t. What is the slope of line u?

What is the average score? 79, 82, 85, 91, 97, 73, 88, 87, 85, 92, 90, 85, 86, 91, 94, 85, 92

Find the value of y log_4^64=y

A train travels 68 kilometers in 2 hours, and then 64 kilometers in 3 hours. What is its average speed

Subtract 9 3/8 from 12 1/6

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.