Simplify

(4x-3+2x2) + (2x+1)

a. 8x2-2

b. 2x2+2x+4

c. 2x2+6x-2

d. 2x2-6x-2

Evaluate f (-2) when f (x) = 5x + 3

Jerry is a judge. He hears 5 cases every 2 3/8 hours. Jerry hears cases at a constant rate. How many cases does he hear per hour?

Square root of 128 (round to the nearest hundredth)

Martin charges $10 for every 5 bags of leaves he rakes. Last weekend, he rakes 24 bags of leaves. How much money did he earn?

Nan and Santo are designing a coffee table using 4 inch tiles. Nan uses 30 tiles and Sato uses half as many how many. how many total tiles did they use? If the area of the table is 36 inches by 24 inches, will they have enough to cover the table?

9 lites 15ml = something ml

Which expressions are equivalent to 3√128x?

In a 56 pound mixture of sand and gravel, 14 pound is gravel. How much gravel is there in a 1-pound mixture?

6,845,309 rounded to the nearest hundred thousand

a rectangular auditorium seats 1118 people. the number of seats in each row exceeds the number of rows by 17. find the number of seats in each row