In a science test devi scores 15 marks more than lixin. If devi obtains twice as many marks as lexin. Find the number of marks lixin obtains.

All the edges of the object in the diagram are equal in length. The object is cut by a vertical plane containing A and B and bisecting two of the horizontal edges. What is the shape of the cross-section resulting from the cut?

Beach Travel rents dune buggies for $50 for 4 hours or $75 for 6 hours. What is the hourly rate?

Suppose y varies directly with x. If x is - 7 when y is 3, what is x when y is - 5?

Ted says that 3x multiplied by 100 equals 300 thousands is he correct use a place value chart to explain your answer

2 women and 7 girls can do a peice of work in 4 days. 4 women and 4 girls can do the same work in 3 days. How long would it take for 1 women and 1 girl to do the work.

Why a mixed number is called "mixed" number what is mixed up here? Because a whole number such as 1 or two is "mixed" with a fraction such as 1/2, 1/4, or 3/8ths. Because numbers are all mixed up. Because a fraction is added to a whole number.

Factor q^3-125 completely.

Freida earns $5.85s per hour. to find the amount of money freida earns working x hours, use the equation y=5.85. how many dollars does Freida earn of she works 2.4 hours?

Determine the mean, median, mode, and midrange for this collection of class test scores: 88 82 97 76 79 92 65 84 79 90 75 82 78 77 93 88 95 73 69 89 93 78 60 95 88 72 80 94 88 74 a. Mean is 84, median is 82, mode is 82, midrange is 77 b.

In a cohort of thirty graduating students, there are three different prizes to be awarded. if no student can receive more than one prize, in how many different ways could the prizes be awarded?