Jeff began deriving the quadratic formula.

ax² + bx + c = 0

x2+bax+ca=0

What step should Jeff do next?

Add b2a to each side.

Take the square root of each side.

Subtract ca from both sides.

Subtract x² from each side.

A rectangle is 3 1/3 ft long and 2 1/3 feet wide. What is the distance around the rectangle?

Suppose you start an annuity where you invest $2,000 at the beginning of each year and 4% interest is paid at the end of the year. What is the value of the annuity at the end of 5 years, rounded to the nearest dollar? It is $

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Carry out the following arithmetic operations. (Give your answers to the correct number of significant figures.) (a) the sum of the measured values 756, 37.2, 0.83, and 2

What is the prime factor of 85

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Write 16/19 as decimal rounded to the nearest tenth

Snowy's Snow Cones has a special bubble gum snow cone on sale. The cone is a regular snow cone that has a spherical piece of bubble gum nested at the bottom of the cone. The radius of the snow cone is 3 inches, and the height of the cone is 5 inches.