2n + 5 = n - 7

Solution:?

Can someone tell me the answer and explain how to find it. What is the ratio for the volumes of two similar cylinders, given that the ratio of their heights and radii is 3:7? A) 27:343 B) 343:27 C) 9:49 D) 49:9

4 times a number decreased by 6 is less than - 2, define a variable, write an equality and solve for the numbers

You make one pitcher of iced tea and one pitcher of lemonade for a party. Just before the party starts, you catch a little mischievous child mixing the two beverages. The child says that only one cup of the iced tea was taken and put in the lemonade.

An ostrich that is 62 inches tall is 20 inches taller than 2 times the height of a kiwi what is the heigt of a kiwi in inches

for each babysitting job anna charges 2.50 for bus fare plus $8 per hours she worked. She charged 3.50 for her last babysitting job. how many hours did she babysit for her last babysitting job. write an equation and solve.

How do you simplify equations

Which fraction is greater than 1/2

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Neil is currently twice the age of his brother when Neil was born. The sum of their ages will be 98 when Neil is as old as his brother's current age. How old are they?

Evaluate 4x + 6 for x = 3.