What are the solutions to the quadractic equation 40-x2=0

Luis rides his bicycle 3/4 mile in 15 minutes, or 1/4 hour, along the bike trail. Assuming he rides at a constant rate, what is his speed, in miles per hour?

The regular price is $46 and the percent of discount is 25%. What is the sale price?

You use a $100 gas card to pay for gas at $2 per gallon. You have y dollars left in your card after you fill x gallons of gas to your car.

The interior angles of a triangle have measures 75 degrees, (-5w+125) degrees, and (4w+85) degrees. what is the value of W?

A softball team is ordering pizza to eat after their tournament. They plan to order cheese pizzas that cost $6 each and four-topping pizzas that cost $10 each. They order c cheese pizzas and f four-topping pizzas.

Eighty-three thousand, nine hundred two in standard form and expanded form

Which equations model this problem? A recipe that makes 1 serving calls for 0.25 L milk. How many servings can Rohit make if he uses 2 L of milk? Use s for the number of servings. Choose all answers that are correct. A. 0.25: 2=s B. 0.25·s=2 C. 2:0.

What is the value of y that makes the equation y+2.9=11 true?

Thomas earns x dollars each week walking his neighbor's dog. He also earns $10 allowance each week. Which expression represents the amount of money Thomas has earned after 4 weeks? Select each correct answer.

Suppose the skaters complete one lap around a park that has the shape of a regular pentagon what is the sum of the angles through which they turn