It costs $8.31 to power one laptop computer for one year. How much does it cost to power 10 laptop computers for one week? Round to the nearest cent

How do you find the area of a triangle

Me. i can't figure out this question. give an explanation too. .

The description below represents function a and the table represents function b: function a the function is 5 more than 3 times x. function b x y −1 2 0 5 1 8 which statement is correct about the slope and y-intercept of the two functions? (1 point) their slopes are equal but y-intercepts are not equal. their slopes are not equal but y-intercepts are equal. both slopes and y intercepts are equal. neither slopes nor y-intercepts are equal.