Find the unit price. $51 for a box of 75 tiles

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

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,

Solve the equation for b: a= (1/2)(b)(h)