20 points
on a piece of paper, use a protractor and a ruler to construct △abc with ab=5 in. , ac=5 in. , and m∠a=60° .

which statement is true about this triangle?

a) bc=3 in.

b) bc=4 in.

c) bc=5 in.

d) the length of bc cannot be measured.

1. the following set of data represents the number of waiting times in minutes from a random sample of 30 customers waiting for service at a department store. 4 5 7 10 11 11 12 12 13 15 15 17 17 17 17 17 18 20 20 21 22 22 23 24 25 27 27 31 31 32 a. determine the number of classes and class interval.

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

Complete the standard form of the equation that represents the quadratic relationship displayed above, where a, b, and c are rational numbers.