What is true about the rotation of the shaded triangle to the position of the unshaded triangle? check all that apply. 1.the rotation uses the rule (x, y)g(–x, –y). 2.the rotation uses the rule (x, y)g(y, –x). 3.the rotation is 90° clockwise about the origin. 4.the rotation is 180° about the origin. 5.the rotation uses the rule (x, y)g(–y, x). 6.the rotation is 90° counterclockwise about the origin.

In triangle abc, the length of side ab is 12 cm, the length of side bc is 5 cm, and the length of side ca is 9 cm. find the measure of angle a using the law of cosines.

(least common multiples) the answer that i had in the 1st step was lcm of airline tickets sold=72. idk if that even matters but just in case. ! three co-workers are busy selling airline tickets over the phone. in an 8-hour day, charles can sell 8 airline tickets, ann can sell 9 airline tickets, and michelle can sell 6 airline tickets. step 2 of 2: what is the smallest number of 8-hour days needed for each of them to achieve the same number of sales? it takes charles . it takes . it takes .

When a rectangle is dilated, how do the perimeter and area of the rectangle change?