What is the complement of 51 degrees

Mr. Salazar assigns the same number of homework questions each school day. The ratio table below shows the total number of homework questions assigned after a certain number of school days.

sylvia set a goal of saving at least $200 in a saving account. she currently has $60 in the account. if she invests $5 of her weekly allowance per week, how many week will it take her to reach her goal

A tower is 65 feet tall and casts a shadow that is 13 feet long. A nearby tree casts a shadow that is 2 feet long. How tall is the tree?

How can i solve 4x^2-1=8x

Standard form Ax+By=C x-3y=-6

Find a positive angle that is co-terminal with the angle 13pi/6

A marble paperweight shaped simliar to a prism weigths 0.3lb. how much dose a similarity shaped marble paperweights weigh if its length, width, and height are doubled?

How many times more people attended shows in 2006 than in 2009? 17.1 in 2006 and 14.3 in 2009

At a local college, of the male students are smokers and are non-smokers. Of the female students, are smokers and are non-smokers. A male student and a female student from the college are randomly selected for a survey.

20 - (4x + 4) = 4x + 1 - 8x