What is the approximate area of the shaded region under the standard normal curve below? Use the portion of the standard normal table to help answer the question.

A. 0.16

B. 0.68

C. 0.81

D. 0.84

The difference of 2 numbers is 21 and the quotient of the equation is 4 then what are the two numbers?

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?