1.Write an addition expression using decimals that equals -0.5

2. Solve the following expressions.(Show your steps for subtraction
A. - 3.1+(-0.35)
B. - 7.34-(-5.51)
C.20.25+(-5.51)

You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

Draw a scaled copy of the circle using a scale factor of 2