Lionel is buying a computer that normally sells for $890. The state sales tax rate is 6%. What is the total cost of the computer including sales tax?

3x + 4y = 5 x- 3y = -7 solve by substitution

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.

Grandpa ernie is shrinking! over the past 4 years his height decreased by a total of 2.4 cm.it decreased by the same amount each year. what was the change in grandpa ernie's height each year