What percent of 84 is 21

Determine the time necessary for P dollars to double when it is invested at interest rate r compounded annually, monthly, daily, and continuously. (Round your answers to two decimal places.) P=363635.63 r=5%

Mary has 5/6 marbles that are striped and 1/6 marbles that are solid color. If Mary has 10 stiped marbles, how many marbles does she have altogether

What is 892 to the nearest 100

Which is the better estimate of the amount of water a balloon holds, 1 liter or 1 milliliter

In a rhombus, an altitude from the vertex of an obtuse angle bisects the opposite side. Find the measures of the angles of the rhombus.

20% of the spectators at a tennis match were women. 10% of them were girls, 30% are boys, and the remaining 3,600 spectators are men. find the total number of spectators at the match

Which equation has the solutions x=1 + / - √5? x2 + 2x + 4 = 0, x2 - 2x + 4 = 0, x2 + 2x - 4 = 0, x2 - 2x - 4 = 0

What is 1 ten thousand + 19 thousands + 2 tens + 9 ones in standard form

How many solutions does this system of equations have? 2x+3y=12 and 2x+3y=18

Find the domain of the parent function below y = x^2 A. All real numbers B. All positive numbers C. All negative numbers D. All real numbers except 0