Which expression is equivalent to 5x + 4 - x - 2

a. 4x + 2

b. 4 + 4x

c. 4x

d. 4x + 6

Last week Sophia practiced dancing for a total of 8 hours in 5 day's. If she practiced for the same amount of time each day, how long did she practice each day

An angle measures 102° less than the measure of a supplementary angle. what is the measure of each angle?

What is the present value of the right to receive four equal payments (annuity due) of $1,000 per period, discounted at a rate of 10 percent per period? (Round your answer to the nearest cent.)

A maintenance man has 12 keys on his key ring. if he tries the keys at random on a storage room door, discarding those that do not work, what is the probability that he will get the door open on his 4th try?

How do you subtract this? 91147-38350

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.