What are the two factor of the the quadratic x^2 - 10x-39?

A cell divides every 30 minutes. If Tyrone starts with two cells, how many cells will he have in 3 hours?

3. Round the decimals to the nearest tenth: a) 4.67 b) 5.81 c) 3.98

Create a real-world problem that uses a multi-step equation.

The graph of the equation y = 1 2 x + 2 is displayed. Which equations would intersect the orange line at the y-intercept? Check all that apply. y = 7x + 2 y = 3x + 5 y - 2 = 4x 3y = - 9x - 6

What number is 85% of 60

Jillian's school is selling tickets for a play. The tickets cost $10.50 for adults and $3.75 for students. The ticket sales for opening night totaled $2071.50. The equation 10.50a + 3.75b = 2071.

An angle bisector AC divides a trapezoid ABCD into two similar triangles △ABC and △ACD. Find the perimeter of this trapezoid if the leg AB=9 cm and the leg CD=12 cm.

What is 80% of 2.25

Determine the mean of the numbers 7, 5, 5, 2, 8 and 7. if two additional numbers 2 and x, reduce the mean by 1, find x

Jane wants to find the area of a trapezoid. To find the area of a trapezoid, add the two bases, multiply by the height, then divide by 2. The bases and height of the trapezoid are shown.