If c is equal to the sum of a and twice b, which of the following is the average (arithmetic mean) of a and c? A. c
B. a+b
C. a
D. b
E. a+c

What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²

Which is a logical conclusion based on the given information? a. figure abcd is a rhombus by the definition of a rhombus. b. segment ac is congruent to segment dc by cpctc. c. angle acb is congruent to angle adc by the angle-side-angle theorem. d. triangle acd is congruent to triangle cab by the hypotenuse-leg theorem.

Fill in the missing exponents in each box and show how you found the answer. (4 points: 2 points for each correct answer with work shown) c. (9^4)^? =9^1 d.(5^? )^3=5^1 *question marks represent the boxes