You randomly select one card from a 52-card deck. Find the probability of selecting a red ten or a black king

Solve for x where 0 equation: cot^2x+2cotx+1=0

The water company charges a residential customer $41 for the first 3,000 gallons of water used and $1 for every 200 gallons used over 3000 gallons. if the water bill was $58 how many gallons of water were usedanswersa 3400 gallonsb 6000 gallonsc 6400 gallons d 7000 gallons

What is the equation of the graph below? a) y = sec(x) + 2 b) y = csc(x) + 2 c) y = csc(x + 2) d) y = sec(x + 2)