What is the simple interest paid to 250, 3.8%, and 3 years

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?

The trapezoid is composed of a rectangle and two triangles. what is the area of the rectangle? what is the total area of the triangles? what is the area of the trapezoid? a) 48 cm2; 32 cm2; 80 cm 2 b) 48 cm2; 16 cm2; 64 cm 2 c) 128 cm2; 32 cm2; 160 cm 2 d) 128 cm2; 16 cm2; 144 cm 2