In seawater there is 5% of salt. How many liters of fresh water do you need to add to 30 liters of seawater to get a 1.5% solution of salt?

You are shopping for some new clothes. you buy a shirt for $28 and a pair of dress shoes for $45. if you give the cashier a $100 bill, how much change will you get back?

E value of y varies directly with x, and y=8 when x=-32. find y when x=64.

Given a rectangle with a length of 48 and a width of 6, which rectangle is similar? A) rectangle with a length of 36 and a width of 3 B) rectangle with a length of 42 and a width of 6 C) rectangle with a length of 64 and a width of 8 D) rectangle

Which number line best shows the position of square root of 7? Number line with numbers negative 4, negative 3, negative 2, negative 1, 0, 1, 2, 3, 4 labeled. A dot is made at 1.7 and labeled as square root of 7.

9,000,000,000 + 3,000,000 + 700,000 + 20,000 + 8,000 + 400 + 50 + 5

Find the zero of the polynomial 2x²+9x+4

M over 4 = - 13 what does m = ? ... ?

Mr. Delaney broke his piggy bank

What is a40 for the arithmetic sequence presented in the table below? n 8 12 an 60 48 Hint: an = a1 + d (n - 1), where a1 is the first term and d is the common difference

Chris was shown the graph of a line that contained (1,7). He wrote f (x) = 4x + 3 to correctly represent the line. Which of these equations could represent the same line.