What is the sum of the geometric sequence 2, 10, 50, ... if there are 7 terms? (1 point)

What is f(3) for the quadratic function f(x)= 2x^2+ + x - 12

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

1. 2. ∠b and ∠y are right angles. 3.? 4.? which two statements are missing in steps 3 and 4? ∠x ≅ ∠c △abc ~ △zyx by the sas similarity theorem. ∠b ≅ ∠y △abc ~ △zyx by the sas similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem.