Answer fast i will mark you brainlist and full ! a) isaac is purchasing two pairs of shoes—one pair for $37.00 and the second pair for $42.00. the state sales tax applied to isaac’s bill is 7%. how much is isaac’s total bill? show your work. (2 points) b) if isaac uses a coupon entitling him to a 25% discount off the purchase price before tax, how much will his bill be? assume that a 7% sales tax is applied to the discounted price. using words, explain how you found the discounted price. (3 points)

What is the first step of an indirect proof of a number that is divisible by two

An airplane consumes fuel at a constant rate while flying through clear skies, and it consumes fuel at a rate of 64 gallons per minute while flying through rain clouds. let c represent the number of minutes the plane can fly through clear skies and r represent the number of minutes the plane can fly through rain clouds without consuming all of its fuel. 56c+64r < 900056c+64r< 9000 according to the inequality, at what rate does the airplane consume fuel while flying through clear skies, and how much fuel does it have before takeoff? the airplane consumes fuel at a rate of gallons per minute while flying through clear skies, and it has gallons of fuel before takeoff. does the airplane have enough fuel to fly for 60 minutes through clear skies and 90 minutes through rain clouds?

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.