Given a mean of 61.2 and a standard deviation of 21.4, within how many standard deviations of the mean do the values 45,78,62,90, and 31 fall?

a. 0

b. 1

c. 2

d. 3

1 pts Question 3 How can you use a random sample of a population to make predictions? The number of defective parts in a batch can be used to predict how many defective parts will be in

The length of a rectangle is increasing at a rate of 4 cm/s and its width is increasing at a rate of 5 cm/s. when the length is 14 cm and the width is 9 cm, how fast is the area of the rectangle increasing?

Find the area of a circle with a circumference of 50.24

Find the least positive angle measurement that is coterminal with - 80 a) 282 b) 290 C) 285 d) 280

The distance between two cities is 330km. Two cars leave the two cities at the same time and drive towards each other with speeds of 85km/hr and 80km/hr.

Given the trinomial 2x2 + 4x + 4, predict the type of solutions

0.0398 rounded to the nearest cent

In addition to the facts in the diagram, which statement is necessary to prove that the two triangles are congruent by the SAS criterion? AC = DE m∠BAC = m∠FDE BC = EF m∠CAB = m∠EDF

A rectangular prism has a volume of 60 in³. what is the least possible surface area of the prism? and A rectangular prism has a volume of 24 m³. What is the least possible surface area of the prism?

a large basket of apples weighed 10 2/3lb. if the weight of the basket was 1 1/4lb, how much did the apples weigh?