How to tell if a line is parallel or perpendicular by the equation?

Julian spends 85 min on HW each day. If 20% of the time is spent on math HW, how many minutes a day is Julian spending on math HW?

What is y=4/5x+7 in standard form?

is 450 divisible by 5 9 and 10

In 2008, the World récord for swimming the 50 meter freestyle event was 21.34 seconds. supposing the athlete swam at a constant rate, what was his speed? round your answer to the nearest hundreth

Isaiah scores with 50% of his penalty kicks in soccer. He flips two fair coins to conduct a simulation with 20 trials to determine the likelihood that he will make his next two penalty kicks, as shown. Heads up (H) represents a goal.

What is 2 square roots between 9and 10?

An office supply store sells pencils individually or by the case. Pencils purchased individually cost $0.97 each. One case of forty pencils costs $37.20. You have an annual budget of $95.00 for pencils. Without exceeding the annual budget of $95.

Suppose you were a carpenter. Give the lenght, width, and height of a storage cabinet with a volume of 72 cubic feet that you would build. Explain your choice.

Jade is making a square birthday card and she's going to put a ribbon borders on each of the 4 equal sides piece of ribbon that is 33 inches long do you have all of the ribbon how many inches of ribbon conget put on all equals side

Suppose that textbook weights are normally distributed. You measure 28 textbooks' weights, and find they have a mean weight of 76 ounces. Assume the population standard deviation is 12.3 ounces.