Hayley had 3.93 grams of salt. She added more salt to the sample and now has 4.87 grams. How many grams of salt did Hayley add? Enter your answer in the box.

A t-shirt manufacturer makes shirts that weigh 40 grams each. What will be the total weight of the shirts in kilograms.

What value is equivalent to 4 + 3 (10 - 2 3) ? 3 means the third power.

The mean of 6 numbers is 41 if one number is removed the mean of 5 numbers is 46. What is the unknown number.

An art student wants to make a model of a rectangular classroom. The length of the classroom is 2.4 times its width. The length of the student's model is 42 in. What should the width of the model be? a. 17.5in b. 20.5 in c. 83. 6in d. 100.8in

Which of the expressions are NOT polynomials? Check all that apply. A. x^2 - (square root of x) - 3 B. 4 - 3x + 5x^6 C. 5x^1/2 + 4x^2 D. 14x^7 E. x^2-x-12/x+3 F. 8x^10 + 2x^5 ... ?

Complete the statement: if 8 = m/4, then m-12=

The equation below specifies a function. Determine whether the function is linear, constant, or neither. 3x + 4y = 1 Choose the correct answer below. A constant function is specified by the equation. B. linear function is specified by the equation.

The length of a perpendicular from the base to the top of a plane figure or a solid figure

If an 8 hour work day includes a total break time of 22 1/4%, how many hours are used for breaks?

Simplify 6 (x + 3). 6x + 3 6x + 18 6x + 9 x + 18