Which is an arithmetic sequence?

a) 9,12,16,20
b)9,11,13,16
c)1,5,9,13,17
d)1/2,1/4,1/6,1/8

Use the distributive law to multiply. 3(4x + 5y + 6)

The width of a rectangle is half as long as the length. the rectangle has an area of 18 square feet. what are the length and width of the rectangle?

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.