7 (12) + 5=7 (17) equals 119 is this right

a fingernail grows about 0.1 millimeter each day. How much does a fingernailgrow in 30 days? 90 days?

A pool is filling with water at a constant rate. after 10 minuets the height of the water level is 6 inches. after 15 minuets the water level is now at 9 inches when will the pool be completely filled if the entire pool is 30 inches deep?

Last month, Kareem made $480 working for 30 hours. This month, he will get a 15% increase in the amount he earns per hour. What will be his hourly rate, in dollars per hour, after the raise? A. $480.00 B. $2.40 C. $18.40 D. $15.00

Convert the function into intercept form. Show your work. y=-x^2+5x+36

Sixteen is divided by the sum of a number q and 1. The result is four. Write the equation.

Is this true or false 276 times 13 = 276 times 7 + 276 times 6 = 1,932 + 1,656 and why?

1. Yousaf deposits $5000 in a savings account at his local bank. The account pays 5.5 % interest compounded annually. At the end of 6 years, how much will he have in his account?

A researcher measures 200 counts per minute coming from a radioactive source at noon. At 3:00pm, she finds that this has dropped to 25 counts per minute. What percentage of the original source will remain at 6:00pm?

The probability of a spinner stopping on 5 is 1/9. the probability of the spinner stopping on 6 is 4/9. what is the probability of the spinner stopping on 5 or 6? a. 4/9 b. 4/81 c. 5/9 d. 5/18

What does an algebraic expression always have?