Which data set has the same standard deviation as the data set 3,2,5,6,8

a) 4,3,6,7,9

b) 1,3,4,7,9

c) 1,2,1,2,1

d) 4,4,5,5,5

A number k minus 8 as an algebraic expression

Find two numbers whose sum is 92, and the first number is 4 more than 7 times the second number.

I think the answer is addition 2x + 5 = 10 What is the first operation used in solving this equation? A) addition B) division C) multiplication D) subtraction

3/5meters=centimeters

Which expression is equivalent to 66 ⋅ 6-9?

6 (x-5) = 5 (x+5) 4y + 2 (-3 + 2y) = 1-y Solve the equations 4 (a-6) = 8a - (4a-24) 4 (2x-8) = 8 (x-8) 2 (3x-3) = - 6x-6 do these have no solution or are they an identity

Multiply and Simplify (-4) (x^8 - x - 4)

Michael and Angela each have a collection of candy. Michael tells Angela, "If you give me one piece of candy, then we'll have the same number." Angela replies, "But if you give me one piece, then I'll have twice as many as you.

To prepare for competitions your swimming coach required you to swim 8 lengths in the pool you swam 10 lenghts what percent of the required practice did you swim

Mr. rodriguez used a sample of 20 students from each grade at willow brook school