A chemist needs a 70% solution of tannic acid. How much distilled water must he add to 5 gallons of a 90% solution of acid to obtain the 70% solution?

Which expression is equivalent to (r^-7) ^6

Which of the following could be an example of a function with a domain [a, c) and a range (-0, b] where a > 0 and b> 0? O O A. f (x) = VX+0 - 6 f (x) = x+a - b O c. f (x) = - VX-a+b O D. f (x) = (a - b) + a

What is the nearest ten and hundred 622

2 1/2 pounds to ounces convert as indicated

What is the mode of the following data set? 4, 5, 7, 3, 0, 2, 7, 7, 1, 9, 0, 0, 1, 8, 9, 9, 7

A sandwich costs 4.00$, a salad costs 2.75$ and drinks cost 1.25$ there is also a delivery fee of 3$. The expression 4n + 2.75n + 1.

A window frame has a length of (5x + 3) inches and a width of (x + 6) inches. The area of the glass in the window is (4x2 + 26x + 15) square inches. What is the area of the trim around the glass in the window?

What fraction times two and one fourth equals three fourths

When the product of 3 and 8 is divided by the sum of 3 and 1, what is the quotient?

Ava's father purchased 4 notebooks for school the total amount for her notebooks is $15.84 how how much does each notebook cost individually