3. Identify the t-score multiplier for the given condence level.
99% CL, two-tail, df = 9
a 5.36
b 7.57
C 0.45
d 3.25

Which of the following expressions are equivalent ?

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).

Lucy is a dress maker. she sews \dfrac47 7 4 of a dress in \dfrac34 4 3 hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable