How do you solve and check x/4 = - 5

Given that a:b=8:5 b:c=3:4 find the ratio a:b:c

Distribute and simplify the expression 2 (-7 + 3m) - 5 + (-m)

The price of Stock A at 9 a. m. was $15.75. Since then, the price has been increasing at the rate of $0.05 per hour. At noon, the price of Stock B was $16.53. It begins to decrease at the rate of $0.13 per hour.

A study of 50 high school students showed that exactly 25 of them took Biology, exactly 20 of them took Chemistry, and exactly 12 of them took both subjects. How many of the 50 students took neither Biology nor Chemistry?

If Mrs. bank made 44 quarts of jelly. How many gallons did she make?

Alaska, Hawaii, Washington have active volcanoes. Alaska has 43, Hawaii has 5, and Washington has v. If hey have 52 active volcanoes in all, how many volcanoes does Washington have?

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in 2003, the population of Zimbabwe was about 12.6 million people, in which is 1 million more than 4 times the population in 1950. write and solve an equation to find the approximate population p of Zimbabwe in 1950

The difference of 10 and5

Using the completing-the-square method, rewrite f (x) = x2 - 8x + 3 in vertex form. f (x) = (x - 8) 2 f (x) = (x - 4) 2 - 13 f (x) = (x - 4) 2 + 3 f (x) = (x - 4) 2 + 16