7. Justin takes his pulse and counts 18 heart beats in 15 s.

a) What is his heart rate in beats per second?

b) What is his heart rate in beats per minute?

c) What is his heart rate in beats per hour?

What is the vertex for y=4 (x-1) (x-7)

Explain why 0.25x0.4 has only one decimal place in the product.

Charlie wants to simulate a random selection from a large population of 40% males and 60% females. How could he use slips of paper for the simulation? A) Cut 5 equal-sized slips of paper, 2 for males and 3 for females.

The world record for the women's 3,000-m steeplechase is 9 min 1.59 s. Find the runner's speed in meters per second. Round answer to the nearest hundredths.

Use absolute value to express the distance between - 10 and 16 on the number line.

Can 4x+9x+5 be simplified

Round off 0.043 to one significant figure

There are fifty people in line for tickets to the Royal Rumble. Each time a fan buys a ticket, you skip two places in line. How many fans will buy tickets before you do?

What is 1/3 plus 1/3

How to know if something is a right triangle with slope formula?