Which expression does the graphic represent? 8 positive tiles. 1 tile is crossed out.

7 minus 1

7 minus (negative 1)

8 minus 1

8 minus (negative 1)

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?

The experience c-0.25c can be used to find the cost of an item on sale for 25% off which expression beloit equivalent to c-0.25c

Two cities a and b are 1400km apart and lie on the same n-s line. the latitude of city a is 23 degrees. what is the latitude of city b. the radius of the earth is approximately 6400km.