Which of the following equations has both -7 and 7 as possible values of f?
a: f^2=49
b: f^3=343
c: none of the above
answers:
a: a
b: a and b
c: c

In δabc, if the length of side b is 3 centimeters and the measures of ∠b and ∠c are 45° and 60°, respectively, what is the length of side c to two decimal places?

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 is he correct? explain why or why not?