Rebbeca buy some scarves that cost $5 each and two purses that cost $12 each. The cost of the Rebeccas total purchases is $39. Write and solve an equation that can be used to find n, the number of scarves that Rebecca buys.

A science teacher collects 19 pints of lake water for a lab she is teaching. The lab requires each student to use 4 fluid ounces of lake water. If 60 students are participating, how many pints of lake water will the teacher have left over?

What is the coefficient of the term 53xy? What is the coefficient of the term 5/3xy? 1/3 5xy 5 5/3

Which of the following is false? the cost to mail an envelope and the weight of the envelope is a positive correlation amount of exercise and percent of body fat is a negative correlation the graduation rate in a city and the rate of unemployment in

The sum of three consecutive numbers make ninety. what is the smallest of the three numbers

Which could be the length of the third side of a triangle with side lengths 3ft and 9ft? explain A) 6ft B) 7ft C) 12ft D) 13ft

The weight of an object on a particular scale 155. 2lbs the measured weight May very from the actual weight by the most 0.4 lbs what is the actual weight of the objects

Circumferenceif a circle is 62.8inches, whats is the radius

What is a letter or symbol that represents some unknown value

Write a percent proportion and solve each question 1) 39 is 5% of what number? 2) 90 is 36% of what number? 3) 22 is 25% of what number? 4) 6 is 75% of what number?

Cecilia traveled to Canada and bought a new lamp for 460 Canadian dollars. If the Canadian dollar is worth $.8817 against the U. S. dollar, how much would the same lamp cost in the United States? (Round to the nearest cent.) A. $405.58 B. $517.77 C.