Given:

f (x) = x2 - 6x + 13

What is f (4) ?

Multiply (w-5) (w+4) Simplify your answer.

What is 3/5 of a dollar

A circle has center at (7, 0). What is the equation of the line that is tangent to the circle at (2, 0) ?

Mrs. Barry is 20 years older than Mrs Cook. Sixteen years ago, Mrs. Barry was 3 times as old as Mrs. Cook was then. Find their present ages.

Chad had $3,370.08 in a savings account with simple interest. He had opened the account with $3,009 exactly 2 years earlier. What was the interest rate?

A doctor's office records the age at which 200 patients were treated for chicken pox. 60% of the patients were treated before age 15. 40% of the patients who were under 15 were female. 20 of the patients were 30 or older.

The length of a rectangle is 3 times it's width. If the perimeter of the rectangle is 144cm. Find it's area

The graphh od y=x^2+6x-7 what is the axis of symmetry

Write an expression that represents the difference of 32 and n, multiplied by 10

What's the distributive property of - 5 (1 - 2n) = -85