(i need it answered now) the length of a rectangle is x + 6. the width of the rectangle is 3x + 4. which expression represents the perimeter of the rectangle? a 4x+104x+10 b 4x2+104x2+10 c 8x+208x+20 d 8x2+108x2+10

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics

Secant be and cf intersect at point d inside a what is the measure of cde

Uestion 1(multiple choice worth 5 points) (05.02)alex wants to paint one side of his skateboard ramp with glow-in-the-dark paint, but he needs to know how much area he is painting. calculate the area of the isosceles trapezoid. isosceles trapezoid with top base 12 feet, bottom base of 18 feet, and height of 6 feet. 72 ft2 84 ft2 90 ft2 108 ft2