Houston got a summer job with his friend Nelson. The both work by cutting grass. At the end of the summer both boys wanted to save 2400 together to buy themselves a car. At the end of the summer Houston had lost half of his earnings which was 1800. They were still able to save enough money to reach 2400. How much did Nelson save? *

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.

v = 1/3 a^2h

step-by-step explanation:

if the height is 57.7cm and the height of the slant edge is 18.2cm, then the volume is 1/3 a^2h.