The length of a rectangular placemat is 23 inches, and the perimeter of the placemat is 87 inches. What is the
area of the placemat?
A
20.5 in?
B. 736 in?
C. 471.5 in?
D. 943 in?

Asphere has a diameter of 10 in. what is the volume of the sphere?

In δabc, m∠acb = 90°, cd ⊥ ab and m∠acd = 45°. find: a find cd, if bc = 3 in

20 ! jason orders a data set from least to greatest. complete the sentence by selecting the correct word from each drop-down menu. the middle value of the data set is a measure and is called the part a: center b: spread part b: mean a: mean absolute deviation b: median c: range