Which of the following lines are perpendicular to the line y=-1/2+4? you may choose more than one answer. • 2x - y = 1
• y = 2x
• 2x + y = 1
• 1/2x - y = 3
• 2x - y = 3

will mark brainliest whoever answers :)

What is the solution to the equation in the & show work i’m very

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60

Which of the following functions corresponds to the above sinusoid? a. 10 cos πx - 5 b. -5 sin x - 5 c. -10 cos πx/2 - 0.5 d. 10 sin πx - 5