Evaluate the expression, using the given value of the variable. z : 3 - 5z + 4 (z - 2) when z = 12 A. - 16 B. - 96 C. - 14 D. - 98

The grades on the last math exam had a mean of 72%. Assume the population of grades on math exams is known to be distributed normally, with a standard deviation of 5%. Approximately what percent of students earn a score between 72% and 87%?

How can we use the Pythagorean theorem and it's converse to solve for missing side lengths in right triangle and to classify triangles

Which polynomial is in standard form? 9+2x-8x*+16x5 1289 - 6x2-9x+12 13x5 + 11x-6x2+5 7x? + 14x® - 17x+25

Which phrase represents the algebraic expression 5x - 9? the product of five times a number and nine the difference of nine times a number and five the sum of five times a number and five the difference of five times a number and nine What's the

Hasan has 18 3/4 yards of fabric ...

The sum of x and 9 is divided by 2. That quantity is equal to 3x

Joe has a spinner with labeled 1, 1, 2, 2, 4. If he spins 20 times, how many will be 2?

How do i find the zero of (x-10) (4x-3) = 0

A rectangle has a height of 5x and a width of x + 2, express the area of the rectangle.

Richard buys, fixes, resells small devices, like the Mir487, which consistently needs a transistor replaced. He can buy the transistor for $8.10 and a broken Mir487 for $51.90. Once fixed, he resells the new Mir487 for $224.96.