Are the expressions x + x + x + x and 4x equivalent?

Thereare 30 students in mr. holland's music class. if 30% of the students play in the school band, how many students in the class play in the school band

Jane has a 5x7 inch photograph that she wants enlarged to a 10x14inch photograph. What is the scale factor from the original photograph to the enlarged photograph?

Lynee bought a bag of grapefruit, 1 5/8 pounds of apples, and 2 3/16 pounds of bananas. the total weight of her purchases was 7 1/2 pounds. how much did the bag of grapefruit

20 minutes for $3.75 or 35 minutes for $5.25. Whats the better deal

Gina again mixed red and white paint and made the same amount of paint but she used one more pint of red paint than she used last week. predict how the new paint color will compare to the paint she mixed last week

It takes 3/4 yards of ribbon to make a bow how much ribbon is needed to make 7 bows

Joaquim earns a salary of $4,000 per month plus a 6% commission

A shelter kept track of the number of dogs adopted each day for three weeks. Use the table to find the statistical measures. Mean: Median: Mode: Range: Number of dogs adopted: 3, 3, 4, 4, 4, 5, 5, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, 8, 9, 9 Total: 132

If s and t are integers greater than 1 and each is a factor of the integer n, which of the following must be a factor of n^{st}? 1) s^t 2) (st) ² 3) s+t A) None B) 1 only C) 2 only D) 3 only E) 1 and 2

In the scientific method before conducting an experiment it is necessary to