If Sine (x) = 2/5 and tan(x) > 0, what is sin(2x)?

For the equation below, x is the input and y is the output. y = -4x + 3 if the input is -8, then the output is

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d?