Ihave a baseball card. its present value is 80% more than i paid for it. my friend offers me $27 for the card, which is only 2/3 of the card's present value. how much did i pay for the card?

Jonathan pays $1.90 per pound for potatoes. he buys 8.3 pounds of potatoes. he determines that he will pay $15.77, before tax, for the potatoes. which best describes the reasonableness of jonathan’s solution? jonathan’s answer is reasonable because there are two decimal places in the factors and two in the product. jonathan’s answer is unreasonable because there are three decimal places in the factors and two in the product. jonathan’s answer is reasonable because is 16, and 16 is close to 15.77. jonathan’s answer is unreasonable because is 8, and 8 is not very close to 15.77.

Find the area of the regular hexagon if a side is 20 cm.

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9