A tree casts a shadow 18 feet long. At the same time, a vertical rod 12 feet high casts a shadow 4 feet long. How long is the tree?

3) x2 + 4x - 21 A) (x - 3) (x - 7) 0) Not factorable & (x-3) (x+7) (x+3) (x-7)

X - (4x-7) = 5x - (x+21) This is for my math class on homework

Solve for y2. d = y2 - y1

A number is chosen at random from 1 to 25 find the probability of selecting a number less than 7

She has 49 packs of red balloons, 66 packs of blue balloons and 35 packs of yellow balloons. Each pack contained 12 balloons. She them up and gave away some. She then repacked the balance into packs of 25. How many balloons were there altogether.

three eight of the student in ms. mull class ride the bus. If there are 24 student in the class, how many students ride the bus

The table shows the elevation in feet that a hiker has yet to climb before reaching the peak in terms of the number hours hiked. x y 2 1,400 4 1,000

Pollsters are concerned about declining levels of cooperation among persons contacted in surveys. a pollster contacts 92 people in the 18-21 age bracket and finds that 78 of them respond and 14 refuse to respond.

Compare the algebraically expressed function f (x) = 3x2 + 6x + 7 to the function shown in the graph to determine which statement is true.

Sugar free gum contains 40% less calories than regular gum if a piece of regular gum contains 40 calories, how many calories dose a piece of sugar free gum contain