A forester wants to estimate the height of a tree. He is 6 ft tall and cast a shadow of 4 ft. If the shadow of the tree is 60 ft, how tall is the tree?

Find k such that the equation kx^2+x+25k=0 has a repeated solution.

A student uses the division shown to divide - 3x4 15x3 - x 5 by x - 5, and concludes that x - 5 is not a factor of the polynomial. describe two errors the student made. is x - 5 a factor? explain.

Find the solutions to the equation below? x^2+x-20=0

Salvatore charges $9 per hour for babysitting. Kendra charges $8.50 per hour. If they both work 6 hours how much more money would Salvatore earn?

Each paperclip is 7/8 of an inch long and costs $.03. exactly enough paper clips are laid end to end yo have a total length of 56 inches. what is the total cost of these paper clips?

0.35 as a simple fraction

In general. A clock that is 3 seconds slow but keeps consistent time will be more accurate than a clock that loses 1 second every hour

Is 67,000 a whole number

Rose wants to save at least $125 to buy a watch. She has already saved $46. How much more does rose need to save?

if you multiply both sides of an equation by the same number the new equation will have the same solution