Which of the following shows the true solution to the logarithmic equation solved below?
log2(X)+log2(x+7)= 3
log2[*(X+7)] = 3
x(x+7)=23
x2 +7x-8 = 0
(x+3)(x-1)=0
X=-8,1

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

What will the graph look like for a system of equations that has no solution? a. the lines will be perpendicular. b. the lines will cross at one point. c. both equations will form the same line. d. the lines will be parallel.

Which of the following transformations will always produce a congruent figure?