A box is filled with 11 blue cards, 2 green cards, and 7 brown cards. A card is chosen at random from the box. What is the probability that it is a blue or a brown card? Write your answer as a fraction in simplest form

The sum of x and a multiple of x?

A manufacturer of golf clubs makes a profit of $60 per set on a model A set and $45 per set on a model B set. Daily production of the model A clubs is between 30 and 50 sets, inclusive, and that of the model B clubs is between 10 and 20, inclusive.

Simplify the expression 3x²-5x-4+xy - (2xy+2x²) then evaluate the result if x=-1 and y=6

Frank needs to save $600 to buy a set of golf clubs. He plans to save $75 per month. Write an equation that Frank can solve to determine the amount of money he still has to save (y) in relation to the number of months (x) in which he has saved money.

Five less than 25% of a number is twice the difference of the number and 14. Write an equation that could be used to find the number, n.

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