Simplelify expression by combining like terms: 2x-9x+5

Elena has a bag containing 4 blue marbles, 6 red marbles, and 3 green marbles. she picks 1 marble at random. what is the probability of her picking a blue marble? a 1 in 13 b 1 in 4 c 4 in 13 d 9 in 13

What is the LCM of 12x and 40y

What is this problem? Identity? No Solution? 1/7 (14-7p) - 2=-2 (1/2p-3) + 6

82. Subtract 12x? + 6y - 3 and 3x? - 9y + 12

In scientific notation, 20,000 + 3,400,000 = ?

A web designer charges a $200 fee plus $50 per hour to build a website. which equation represents the total cost, y, to a customer based on the number of hours, x, it takes to buld the website? y = 50x - 200 y = 250x y = 200x 50 y = 50x 200

Mr. Thompson weighs 260 pounds he lost 4 pounds per month. write a linear model that represents Mr. Thompson's wait after M months. How many months will Mr. Thompson reach his goal of 220 pounds

A and b have different, but not opposite directions. à has a magnitude of 7 and b has a magnitude of 6. What must be true about a and b a They are not parallel. opposites, or equal b. They are parallel, but not equal C.

At an exhibition center, 69 equal sized exhibits take up an area of 4,988 square feet. Find out how much area is assigned to each exhibit, rounding to the nearest hundredths.

True or false two lines that lie in a parallel planes are parallel