If: f (x) = 2.50x + 15; then: f (6) = show work

Find the slope of the line whose equation is 3x+6y=9. How do I solve this?

Suppose you roll a standard number cube and spin a spinner with four equal-sized sections labeled 1, 2, 3, 4. What is the probability you will roll a prime number and spin a prime number? A. 1/4 B. 1/2 C. 1 D. 3/4

House prices in the neighborhood average at $94.02 per square foot. If the house has 1755 square feet, what should be its price? A.$139,750 B.$140,000 C.$165,000 D.$205,000

Which compound inequality can be represented by the graph below? x < 5 or x ≥ 9 5 ≤ x < 9 x ≤ 5 or x > 9 5 < x ≤ 9

A line parallel to y=9x is?

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.