Solve for x ax+3b=2f

If two lines intersect in the same plane to form a right angle, what can be concluded? a) The angle formed is acute. b) The angle formed is obtuse. c) The lines are parallel. d) The angle formed is 90 degrees.

If Rachel were to paint her living room alone it would take five hours her sister Barbara could do the job in eight hours how many hours would it take them working together express your answer as a fraction reduced to lowest terms if needed

Y=4x+1, 2x+y=37 substitution

Is 56.07 is greater or less than 56.7

Anya has a base salary of $200 per week for her part-time sales job. She earns a $10 commission for sales of over $500. This week, her gross pay was 400

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.