45 is 15% if what number?

Suppose x is a normal random variable with mean μ = 80 and standard deviation σ = 9. find b such that p (80 ≤ x ≤ b. = 0.3. hint [see example 3.] (round your answer to one decimal place.)

X = - 60i + 80 What is the real part of Z? What is the imaginary part of Z?

Can you show the work

Question 1 One out of every five cars made in the U. S. is red. What percent of the cars made in the U. S. are red? 20% 25% 50% 80%

Adam bought a box of fruit that weighed six and three eights if he brought asecond box that weighed 7and two fifth kilograms what is the combined weight of both boxes

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.