What does (x^2 - 3x + 1) + (2x^2 + 5x + 7) equal?

Calculate the radius of the circle when its diameter is 42 cm.

People drive, on average, 14 comma 584 miles per year. About how many miles each week is that? (Note: There are 52 weeks in a year.) People drive about nothing miles each week.

A bowling alley charges 2.00 per game and will rent a pair of shoes for 1.00 for any number of games. The bowling alley has an earrings goal of 300 for the day

Find the length of the hypotenuse of a right triangle with legs of 12 ft and 16 ft. A 11 ft. B 18 ft. C 20 ft. D 28 ft

Evaluate la+b-cl, given a=5, b=_3, and c = -2

Express as a sum: 4.5-8.3-2 i will give you brianily if you get it rite

What is 3 to the power of three halves equal to? cube root of 9 square root of 9 cube root of 27 square root of 27

75,000 live bacteria are present in a culture in a flask. When an antibiotic is added to the culture, the number of live bacteria is reduced by half every four hours. Approximately how many hours have passed when there are 2000 bacteria left alive?

Tina completed 2/3 of her homework. George completed 7/8 of his homework. Who completed a greater fraction of homework

A scientist is working with 0.9m of gold wire. How long is the wire in millimeters