What is the solution to the equation?

13 and three-fourths + x = 7 and one-fourth
x = negative 6 and one-fourth
x = negative 6 and one-half
x = 20
x = 21

Select the correct answer from the drop-down menu. subtracting 3xy^2 from 8xy^2 gives the same result as the expression. [tex]3xy ^{2} - 8xy ^{2} [/tex][tex] { - 7xy}^{2} - {2xy}^{2} [/tex][tex] {7xy}^{2} - {2xy}^{2} [/tex]

In a timed typing test lara typed 63 words per minute.estimate the number of words she should be able to type in half in hour show your work

Use a standard normal table to determine the probability. give your answer as a decimal to four decimal places. −1.5< < 1.5)