Atriangle has a height of 18 centimeters and a base of 3.5 centimeters. what is the area of the triangle? 63 cm2 31.5 cm2 15.75 cm2 21.5 cm2

Which of the following are arithmetic sequences? check all that apply. a. 0.3, 0.6, 0.9, 1.2, 1.5, b. 2, 3, 6, 11, 18, c. 150, 147, 144, 142, d. 2, 4, 9, 16, 25,