If y=180 when x=15, what is k (constant of proportionality

Can u round 1804 to the nearest hundred

500.01 in correct scientific notation

A school committee conducted a survey to determine the amount of time students spent doing homework. The committee asked every fifth student who entered the school about the amount of time he or she spent doing homework.

A wheel has a circumference of 7 5/6 feet. How many times does it turn in 423 feet.

What is an expression that contains four numbers and two different operations

What is reference angle for 150 degrees

Which function is decreasing? A. Price of a house as a function of size B. Numer of soft drinks sold at a ballpark as a function of outdoor temperature C. The time it takes the ice to melt as a function of temperature. D.

Assume that you select 4 coins at random from 8 coins: 6 dimes and 2 quarters. what is the probability that all of the coins selected are dimes? enter your answer as a fraction

What is the value of 2 in 5,678.321

Ken finished one-half of his homework problems at school. He finished two thirds of the remaining problems at home. He had 5 problems left. How many problems were there in total? A. 20 B. 25 C. 30 D. 40 E. 60