Asample of 112 mortgages approved during the current year showed that 44 were issued to a single-earner family or individual. the historical percentage is 36 percent. at the .05 level of significance in a right-tailed test, has the percentage of single-earner or individual mortgages risen? (a-1) h0: π ≤ .36 versus h1: π > .36. choose the right option.

Omar is going on a road trip! the car rental company offers him two types of cars. each car has a fixed price, but he also needs to consider the cost of fuel. the first car costs $90 to rent, and because of its fuel consumption rate, there's an additional cost of s0.50 per kilometer driven.

Trent wants to buy 2 packs of trading cards for 3 dollars each. the trading card packs that trent normally buys tend to come in packs of 6, 10, 12, or 15 cards. after selecting 2 packs, trent found that the first pack of cards cost 25 cents per card, and the second pack cost 30 cents per card. trent uses this information to write the equations below in order to compare c, the number of cards in each pack.

What does x = in this equation x+3+2x=x+5