What is the greatest common factor of 15 and 30

Gerhard's Bistro has an 5:8 ratio of lunch customers to dinner customers. It averages 40 lunch customers. What is its average number of customers for dinner? Question 2 options:

Use partial quotients 6 divided by 258

Alvin is 15 years younger than Elga. The sum of their ages is 35. What is Elga's age?

what are the coordinates Y = 6x + 11 2y-4x=14

There are 600 bottles of sports drinks in a store. 25% of the bottles are orange flavored drinks. On Monday 30% of the orange flavored drinks in the store were sold and on Tuesday 20% of the remaining orange flavored drinks were sold.

Taylor took a test in both biology and math last week. the biology test had a mean of 70 and a standard deviation of 7 whereas the math test had a mean of 75 and a standard deviation of 10.

Kia thinks that every number has at least two factors. Which explains whether Kia is correct?

A $310 suit is marked down by 10%. Find the sales price.

Is 12x=7y-10y a linear equation?

Which of the items below is not an example of a fixed cost?