Solve for (x) and (y):

0.4x+0.3y=1

0.1y=0.2x

What is 7% of 20.00

Alexandra made a tally chart shown below. A 2-column table with 5 rows. Column 1 is labeled Books Read in the Last Month with entries 1, 2, 3, 4, 5. Column 2 is labeled Tally with entries 2, 5, 3, 1, 2.

A culture of yeast grows at a rate proportional to its size. If the initial population is 2000 cells and it doubles after 2 hours, answer the following questions. 1. Write an expression for the number of yeast cells after t hours. Answer: P (t) = 2.

How do you put 3 23/66 as a decimal?

Write 700 in expanded form

The rate at which a planet receives heat from a hot sphere such as sun varies directly with the fourth power of the sun's absolute tempature, directly with the surface area of the Sun, and inversely with the square of the distance from the Sun to

Write the algebraic expression for the quotient of 79 and x

Which expression is equivalent to 647 times 39.

2x divided by x+5 less than or equal to 0

Dan read 104 pages of his book. He has 68% left. How many pages in his book?