What the answer 9 (5x) to this?

Parker throws a ball off the top of a building. The building is 350 feet high and the initial velocity of the ball is 30 feet per second. Find out how long it will take the ball to hit the ground by solving the equation - 16t2-30t+350=0

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Solve the system using Elimination 2x + 6y=-12 5x-5y=10 A) 2,1 B) 0,-2 C) - 2,0 D) 1,2

If m∠X = 55° and m∠Y = 75°, then m∠W = A) 20°. B) 35°. C) 105°. D) 130°.

What is 15.6 : 4 simplified anyone know

Write an inequality that represents the description and then solve. Dave has $15 to spend on an $8 book and two birthday cards (C) for his friends. How much can he spend on each card if he buys the same card for each friend?

How many terms are in the arithmetic sequence - 27, - 16, - 5, ..., 292? Hint: a_n=a_1+d (n-1), where a_1 is the first term and d is the common difference

Rachel invested $15,000 in a nine-year CD giving 8.5% interest, but needed to withdraw $4,000 after two years.

What temperature is equivalent to 373 k? a. 0 °c b. 50 °c c. 100 °c d. 373 °c

A test has a mean of 65 with standard deviation of 5. What percent of the students would you expect to receive a grade of 55 or more? a. 2.5% b. 95% c. 13.5% d. 97.5% e. none of the above