Rohit exercises for half an hour everyday. How many minutes does he spend for exercise over 7 days?

Which graph corresponds to the function f(x) = x2 + 4x – 1?

There is a spinner with 14 equal areas, numbered 1 through 14. if the spinner is spun one time, what is the probability that the result is a multiple of 2 or a multiple of 5?

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup