let q = f(t)= 10(0.96)^t/3 be the number of grams of a radioactive substance remaining after t years. what is the annual rate of the substance, decay rate?

Nine more than four times a number is the same as one less than twice the number. find the number?

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! )

Select all expressions that are equivalent to 2(3x + 7y). question 1 options: 6x + 14y 6x + 7y 1(6x + 14y)