John is 1.7 meters tall and Ken is 1.5 meters tall. What is the difference in their heights, expressed in centimeters?

Round 8.36 to the nearest one decimal place

What is 1 2/4 as a decimal.

5+7. (9-4) 5+7=11 11*5=55

When conducting an observational study, it is important to choose a topic, select a variable, create a hypothesis, collect the data, and analyze the data for validity of the hypothesis.

Angie has a jar that contains 2 red marbles, 2 blue marbles, and no other marbles. She randomly draws 2 marbles from the jar. If the marbles are the same colour, she discards one and puts the other back into the jar.

Shay works each day and earns more money per hour the longer she works. Write a function to represent a starting pay of $20 with an increase each hour by 4%.

A chemical company makes two brands of antifreeze. The first brand is 40%pure antifreeze, and the second brand is 90%pure antifreeze. In order to obtain 160

30.60 to the nearest cent

Which is the value of x that makes the given equation true? Show all the steps to prove your answer is correct. x - 3x = 2 (4 + x) a - x=-2 b - x=0 c - x=2

in recent year, the world production of wheat was about 5.2 * 10^8 metric tons. Canada produced 1/25 of this wheat. about how much wheat did Canada produce?