Mr. Smith received a phone call from the bank
manager. His bank balance had dropped to - $15
(he had overdrawn his account by $15). Mr. Smith
rushed to the bank and deposited $25 into his
account. What was Mr. Smith's new balance after
making the $25 deposit?
A. -$15
B. - $10
C. $10
D. $15

What is the base of 1/9 to the power of 2

Which of the following parabolas opens down?

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables