Percents

1.

Martha estimated there were 95 marbles in a jar for a contest. The actual number of marbles in the jar was 117. What was the percent error of Martha's estimation?

22%

81.20%

23.16%

18.80%

What is the simplest form of the radical expression? 2 ^4 sqrt 2x 6^4 sqrt 2x a. 8 ^4 sqrt 4x b. 8 ^4 sqrt 2x c. 16 ^4 sqrt 2x d. not possible to simplify: If s is the sum of 8,6,4,2 and x, what must be the value of x ...

Use elimination to solve the following system of equations. x+6y=10x+5y=9 (1,4) (-1,4) (-1,-4) (1,-4) (4,1) (-4,1) (-4,-1) (4,-1)

At the zoo, the yellow birds are fed 1/3 of a bag of seed each day. The blue birds get fed 1/4 as much as the yellow birds. How much of a bag of seed do the blue birds eat each day?

The price of a share of a company is $20 before the trading open on Monday. The price rises 10% on Monday and falls 10% on Tuesday. The share price at the end of Tuesday is $

How to solve - 7+2x = - 6x - 71

If i take 2 cookies and had 2 more cookies, how many cookies do i have

The transformation that can result in a figure that is NOT congruent to the original is: Select one: a. Dilation b. Reflection c. Rotation d. Translation

f $24,000 is invested in an account for 30 years. Calculate the total interest earned at the end of 30 years if the interest is: (a) 7% simple interest: $ (b) 7% compounded annually: $ (c) 7% compounded quarterly: $ (d) 7% compounded monthly: $

Which expression is equal to 5x - 30? A. 5 (x - 30) B. 5 (x - 6) C. 5x (x - 6) D. x (5 - 30)

Drawing a conclusion based on facts