Maria bought a portable mirror shaped like a trapeze. The height of the mirror is 12cm, and the bases are 4cm and 6cm
. Find the area of the portable mirror

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.

Which of the following contains a variable?

Which equation expression the relationship between the number of boxes b and the number of cans c and the proportion is 48