Colin gets £r wages each week. After he pays his tax of £t, he then pays his rent of £190. He shares whats eft between himself and his wife. How much do they each get?

Which expression is the factorization of x^2+10+21

Ameteorologist is studying the monthly rainfall in a section of the brazilian rainforest. she recorded the monthly rainfall, in inches, for last year. they were: 10.4, 10.3, 11.7, 11.1, 8.0, 4.4, 2.6, 1.8, 2.5, 4.4, 7.3, 9.5 fill in the missing values in the formula. what is the variance?

What is the domain of the step function f(x)=[2x]-1?