78 children attend a trip to six flags. 60 of them were boys. find the ratio of boys to girls. simplify the ratio. write your awnser in all three forms

The ratio of 8 less than a number to 28 more than that number is 2 to 5. What is the number? a. 32 c. 28 b. 30 d. 15

What is 7/10 divided by 2

The length of a rectangle is times as great as its width. What is the width of this rectangle if its length is 24 feet? A) 9 ft. OB) 12 ft. OC) 48 ft. OD) 64 ft.

Suppose you have a sample {?1, ...,? }. if you were to use the population variance of this sample as an estimator for the true population variance, what would its bias be?

Find the value of n that makes each equation true. Then, arrange the equations in increasing order of the values of n found. Tiles 2n = 35n = 20n + 5 = 13n + 5 = 10

An expression is written as m-5 (m+3) + 7m. What is the value of the expression when m=x+1?

Cormac is making 29 phone calls each week as part of a fundraiser. Last week, he made 10 phone calls on weekdays. Which equation could be used to find x, the number of phone calls he made last week on weekend days?

Jasmin's dog weighs 58 pounds. Her vet told her that a healthy weight for her dog would be less than or equal to 40 pounds. Jasmin's dog can lose an average of 1.5 pounds every week.

A town with an initial population of 2,000 doubling in size every 10 years. Exponential function or no?

20% of the past 60% days how many days did it rain