During a scientific experiment the temperature of a container decreased by $35.7\degree$ C at a constant rate over $8\frac{1}{2}$ hours. What value represents the change in the temperature of the container each hour? A $-8.9\degree$ C B $-4.4\degree$ C C $-4.2\degree$ C D $4.2\degree$ C

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.

Triangle abc has side lengths: ab = 3.5  cm, bc = 2.4 cm, and ac = 4.2 cmδabc ≅ δhjkwhat is the length of side hj?

Six random samples were taken each year for three years. the table shows the inferred population for each type of fish for each year.