Jen determined the masses of 7 rocks she recorded the mass of each rock on the line plot below what is the total masses in kilograms of the 7 rocks?

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

21 type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the solution set of n2 - 14n = -45 is { (separate the solutions with a comma)

Suppose a gym membership has an initial enrollment fee of $75 and then a fee of $29 a month. which equation models the cost, c, of the gym membership for m months?