David has 80$. he spent 4/5 of his money on books. howmuch money did he have left? use a tape diagram to solve the problem

Assume each variable has a different value. Which relations below are functions? a. { (a, b), (a, c), (a, d), (a, e) } b. { (a, b), (b, b), (c, b), (d, b) } c. { (a, b), (c, d), (e, f), (g, h) } d. { (a, a), (b, c), (c, c), (d, e) } A.

Which of these words is a root word? a. add c. subtraction b. division d. multiplication

The sum of the measures of the angles of a triangle is 180. The sum of the measures of the second and third angles is three times the measure of the first angle. The third angle is 15 more than the second.

If 3t - 7 = 5t, then 6t =

What is the circumference of a circle with a diameter of 4 feet? (use 3.14 for pi) 12 ft. 12.56 ft. 16 ft. 25.12 ft.

Joel played 12 holes of golf and took 54 strokes. gari played all 18 holes and took 90 strokes which is the better rate and why?

Suppose Marcus invests $750 at an annual rate of 6.25%. How long will it take until Marcus earns $125 in simple interest?

For a Cosine function with amplitude = 0.75 and period = 10, what is y (4) ?

Babysitting for 8 hours and making $72.00 or babysitting for 6 hours and making $57.00

The least common multiple of two numbers is 24. Which could be the two numbers? 6 and 8 4 and 6 8 and 16 4 and 12