7.) Circle the problems that are in standard form. If it is not in standard form, re-write in standard form.

a.

X-11x2

b. 2 + 3x + 4x + 3x

C.

-3x+17x + 2x2

d. - 1+3x + 2x2

True or false sin x cos y=1/2 (sin (x+y) + sin (x-y))

The cost of rubens large storage unit $285.47 per month. If Ruben pays in advance for 2 years of storage, how much will he pay in all?

One liter of strawberries weight about 4 kilograms. About how many liters of strawberries would weigh 400 grams.

Stan is purchasing sub-flooring for a kitchen he is remodeling. The area of the floor is 180 ft' and the width of the kitchen is 12 ft. What is the length of the sub-floor?

What is 3/20 as a percentage

89 (54x - 36) + 2 = - 3/4 (-40 + 16x) + 90xsolve for x

The ratio of cars to vans in a parking lot is 1 to 4. If there are 40 cars and vans in the parking lot altogether then how many vans are there?

Geoffrey's babysitter stayed from 6:25 P. M. until 10:40 P. M. For how much time does the babysitter need to be paid?

What is equivalent to 4b? A) b+2 (b+2b) B) 3b+b C) 2 (2b)

Find the value of x 58° 42°