The widths of two similar rectangles are 21 ft and 18 ft. What is the ratio of the perimeters? Of the areas?

The ratio of alls weight to bobs weight is 4:5, the ratio of bobs weight to lunas weight is 6:7, what is the ratio of alls weight to lunas weight?

A catering service offers 6 appetizers 7 main courses and 3 desserts A customer is to select 3 appetizers 3 main courses and 2 deserts for a banquet in how many ways can this be done

Express the fractions 3/4, 7/16 and 5/8 with the lowest common denominator a. 24/32, 14/32, 24/32 b. 12/16, 7/16, 10/16 c. 3/4, 2/4, 3/4 d. 9/16, 49/16, 36/16

Scores on the GRE (Graduate Record Examination) are normally distributed with a mean of 600 and a standard deviation of 120. Use the 68 dash 95 dash 99.7 Rule to find the percentage of people taking the test who score between 240 and 960.

Is (3,5) a solution to y=x-4?

10 and three over 4-71 over for

The altitude of an airplane is the height of the airplane above ground. what do you think the altitude of a triangle is?

X=3 y = 5x - 8 in alias

What is 3498 divided by 7. Explain how you got this answer and why you think its reasonable

What is the answer to these 9 + 9n = 9