Simplify: √63x^2y^3z

If an object is dropped from a height of 200 feet, the function h (t) = - 16t^2+200 gives the height of the object after t seconds. Approimately, when will the object hit the ground? A. 200.00 seconds B. 184.00 seconds C. 3.54 seconds D. 0.

The sales of a particular brand of children's athletic shoes rose from $4,800,000 to $5,400,000. Find the percent of increase in sales. Round to the nearest tenth of a percent if necessary

Simplify (x2 + 7x + 12) (x2 + 3x + 5).

A student's test grades are 75, 79, 88, and 94. What score of the fifth exam will make the average at least 85? Write your answer as an inequality statement. Use x as the variable.

A parabola has the equation - 5x2 + 30x - y - 34 = 0. Which equation is that of the parabola in vertex form? A) y = - 5 (x - 3) 2 + 11 B) y = - 5 (x + 3) 2 - 11 C) y = - 5 (x + 3) 2 + 11 D) y = - 5 (x - 3) 2 - 11

The ribbon costs $3.79 per foot. How much does it cost to make each bow?

In a school 5/9 of the number of pupils are girl. Write down the number of girls as a ratio to the number of pupils in the school

Walter practices piano for 1/4 hour, 1/2 hour, or 3/4 hour every other day. If a line plot shows two X's above each value of time, what is the total amount of time Walter has spent practicing? i came up with 2 1/4 hours

A pair of dice is rolled. What is the probability that a 3 shows up on the second one?

3. Solve this inequality: 3b-7<32 O A. b<39 B. b<5 C. b< 13 D. b<8.33