Given the mean 71.4 and sample standard deviation 11.5 what is the z-

score of a data with a value of 85?

Negative three forths plus one eighth

A television that was originally marked $199.95 is now 25% off. Write a linear expression for the new cost of the television. Then calculate the sale price of it. A. c - 0.25c; $49.99 B. c + 0.25c; $249.94 C. c - 0.25c; $149.96 D. c + 0.25c; $149.96

90 is one tenth of what?

A hubcap has a radius of 16 centimeters. What is the area of the hubcap? Round your answer to the nearest hundredth. Use 3.14 for π. 16 cm The area of the hubcap is about cm 2.

Can - 5 be the base of an exponential function?

What is the answer to 3x-7=5x+1

The probability that the bus is late on Monday is 20%, and the probability that the bus is late on Tuesday is 10%. What is the probability that the bus will be late on both days? Express your answer as a decimal rounded to the nearest hundredth.

Find the length of the hypotenuse of the right triangle if the width is 60 and hight is 32

Which answer shows 8.45 * 10^4 written in standard form? A) 0.000845 B) 8,450 C) 84,500 D) 8,450,000

Tickets for a concert cost $10 each if you order them online, but you must pay a service charge of $8 per order. The tickets are $12 each if you buy them at the door on the night of the concert. Write a system of equations to model the situation.