Triangle JKL has vertices J(0, 0) K(5, 0) and L(0, -3). Is triangle JKL equilateral? NEED ANSWER

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

Graph the following system of linear inequalities. identify at least two points in the solution: y < 5 - 2x | x + 5y > -7

Yesi's dog weighed 5 pounds when she got him. he now yesi's dog weighed 5 pounds when she got him. he now weighs 45 pounds. how much did yesi's dog gain, in ounces?