A normal distribution has a mean of 67 with a standard deviation of 8. Find the probability that a randomly selected x-value is at least 75

Describe the domain and range of y=2(3)^x-2+5

What fraction is equivalent to 0.46464646··· a. 46⁄999 b. 46⁄100 c. 46⁄99 d. 23⁄50

I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )