Which expressions are equivalent to 3 (-2a-4) + 3a

-6a-12+3a?

3a+12?

or

none of the above

How can Steve add 48 + 34 by making a ten?

Suppose that a population parameter is 0.1, and many samples are taken from the population. If the size of each sample is 90, which of the following will most likely be the standard deviation of the sample proportions?

Divide. - 5 5/8:5 a) - 1 1/8 b) - 5/8 c) 5/8 d) 1 1/8

Audrey bought 37 meters of fabric to make curtains for her customer. The fabric cost $750 per meter. When she arrived home she realized that 4 meter of the fabric was damaged.

27: a patio measures 12 feet by 14 feet. how many 8-inch-square paving stones are needed to pave a patio

Tickets of a program at college cost $4 for general admission or $3 with a student ID. If 180 people paid to see a performance and $613 was collected, how many of each type of ticket were sold?

If you select 10 Sundays from the school year at random, is likely to have studied the most hours overall, and is likely to have studied the least hours overall. NextReset

If the factors of a polynomial are x-2 and x-5, what values of x make that polynomial 0? A. 1 and 2 B. - 2 and - 5 C. 2 and 5 D. Cannot be determined

A dog weighs 2 pounds more than a cat. 3 cats and 4 dogs together weigh 43 pounds. How much does a dog weigh? How much does a cat weigh?

Is y equals x to the third power + x equals - 3 then what does y equal