About what percentage of the data lies within 2 standard deviations of the mean in a normal distribution?

What value of b will cause the system to have an infinite number of solutions? y = 6x-b 3x+1/2y=-3 -3x + 2 y = - 3 b = O 2 X 04 6 8

There were 15 apples in a bowl. Dan used some apples to make a pie. Now there are 7 apples in the bowl. How many apples did Dan use.

What fraction is less than 1 with a demoninator of 6 that is greater than 3/4

Is 18/36 equivalent to 1/3

S denotes the length of the arc of a circle of radius r subtended by the central angle theta. Find the missing quantity. Thetaequalsone fourth radian, sequals3 feet, requals ?

The scale drawing of a window is 1 inch by 2 inches. The actual size of the window is 24 inches by 48 inches. What is the scale factor that is used to make the drawing?

Miranda and Savannah are excited that a new store just opened in town! They go together the first day it opens!

The solution to 4.2x = 19.32 is x = ___. 0.28 0.45 4.6 15.12

Richard has a rectangular plot of land that is 525 feet long and y feet wide. He decides to build a fence around the plot. If the perimeter of the plot is 1,504 feet, find the value of y

A circle is defined by the equation: x^2 + y^2 - x - 2y - 11/4 = 0. Determine the coordinates for the center of the circle and the length of the radius.