A test consists of 490 true or false questions. If the student guesses on each question, what is the standard deviation of the number of correct answers? Round the answer to the nearest hundredth.

Zoe has 8 cups of whole-wheat flour. If each loaf of her favorite bread requires Three-fourths of a cup of whole-wheat flour, how many whole loaves of bread can she make using 8 cups?

What is the value of the underline digit 584.2

The area of a parallelogram is 96 cm2. The height of the parallelogram is 4 cm less than the length of the base. What is the length of the base? A) 5 cm B) 8 cm C) 12 cm D) 14 cm

F (x) = 3 (12) x-3; [-1,2], Find the average rate of change of the function over the given interval.

The equation shows the relationship between x and y: y = - 4x + 9 What is the slope in the equation

A right triangle has legs that are 19 in. and 23 in. What is the area of the triangle

What equation results from completing the square and then factoring x2+4x=12

In two years the value of a car chnaged from 14,000 to 11,200 what is the percent of change

What is the difference 4 1/3 - (-2/3)

Elaine is painting a fence. she knows that she needs 1 gallon of paint for each 10 feet of fencing. The fencing will enclose a rectangular yard that is 3 yards long and 2 yards wide. how much paint does Elaine need?