Select all expressions that are equivalent to 6x + 1 - (3x - 1) A. 6x + 1 - 3x -1
B. 6x + -3x + 1 + 1
C. 3x + 2
D. 6x - 3x + 1 - 1
E. 6x + 1 + -3x - (-1)

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

Write the summation to estimate the area under the curve y = 1 + x2 from x = -1 to x = 2 using 3 rectangles and right endpoints

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.