An arborist examined trees in an orchard to see if they were infected with a virus. 9 out of 90 trees were infected with the virus. What percentage of the trees were infected? Write your answer using a percent sign (%)

What is the product of (3x-7) (3x-5)

Sand falls from an overhead bin, accumulating in a conical pile with a radius that is always three times its height.

Solve: cos2x+3sinx-2=0

The university took a phone survey of 3421 students about tuition. Of the students surveyed 2004 of those students believed that tuition was too high.

To which real number subsets do the following real numbers belong? 0, 3, 7, 11, 15, 18 A. irrational numbers and whole numbers B. integers and rational numbers C. natural numbers and irrational numbers D. integers and irrational numbers

Verona is solving the equation - 3 + 4x = 9. In order to isolate the variable term using the subtraction property of equality, which number should she subtract from both sides of the equation? - 4 - 3 3 4

What is the index of the following Radical Square root of Q

A display of pens has 8 hooks. Each hook can hold 3 packages of pens and there are 3 pens in each package. If the display is completely full how many pens does it hold

Consider the experiment: flip a coin, then roll a number cube

When 24 is divided by the positive integer n, the remainder is 4?