Ageometric sequence is defined recursively by an = 12an-1. the first term of the sequence is 0.001. which of the following is the explicit formula for the nth term of the sequence? a. 0.001 * 12n+1 b. 0.001 * 12n c. 0.001 * 12n-1 d. 12 * 0.001n-1 e. 12 * 0.001n

The triangles are similar. what is the value of x? enter your answer in the box. x = two right triangles. the larger right triangle is labeled x on the longer leg, 12 on the shorter leg and 20 on the hypotenuse. the smaller triangle is labeled 4 on the longer leg, 3 on the shorter leg, and 5 on the hypotenuse.

(a) calculate the molarity of a solution that contains 0.0345 mol nh4cl in 400 ml of solution. (b) how many moles of hno3 are present in 35.0 ml of a 2.20 m solution of nitric acid? (c) how many milliliters of 1.50 m koh solution are needed to supply 0.125 mil of koh ?

Anyone know? will mark brainliest if correct!