Which statement is true about the solutions for the equation 4y + 6 = −2?

it has infinitely many solutions.
it has two solutions.
it has one solution.
it has no solution.

Successful implementation of a new system is based on three independent modules. module 1 works properly with probability 0.96. for modules 2 and 3, these probabilities equal 0.95 and 0.90. compute the probability that at least one of these three modules fails to work properly.

What is the 9th term in the geometric sequence described by this explicit formula? an=-6. (2)(n-1) apex

Given that sin∅ = 1/4, 0 < ∅ < π/2, what is the exact value of cos∅? a. (√4)/4 b. (√15)/4 c. (4π)/2 d. (4√2)/4