24 studemtsin Jamal's class are wearing tennis shoes. There are 30 students in his class. Jamal says 70% of his class is wearing tennis shoes. Is he correct? Explain your reasoning.

Bjorn is baking his favorite dessert. The recipe calls for / dfrac{5}{8} 8 5 start fraction, 5, divided by, 8, end fraction of a stick of butter, but he wants to double the recipe. How much butter will Bjorn need?

If the sin 30° = one half, then which statement is true? cos 150° = 0, because the angles are supplements cos 60° = one half because the angles are complements cos 150° = 1, because the angles are supplements cos 60° =

42/7 as a mixed fraction

If the following ordered pairs are equal find x and y a) (7x+3y, 2x+3y) and (24,0)

How do you find how many times larger

An aircraft flying at an average speed of 770 km/h takes 15 hours to complete a journey. Find the time taken for the aircraft to complete at same journey if it's average speed is 660 km/h

Without solving the systems, explain why the following systems must have the same solution. System (a) : 4x-5y=13 System (b) : 8x-10y=26 3x+6y=11 x-11y=2

Ten more than half the number (y) is 54. what number is (y)

Tawny is grocery shopping and needs broccoli and cauliflower for recipe she is making for dinner. Broccoli is $1.05 per pound and cauliflower is $0.76 per pound. She knows she wants to spend exactly $10 on veggies.

The cost of a hamburger is $4.50. Each additional hamburger costs $2.00. Sully wrote this explicit rule to explain the sequence of costs: f (n) = 2 + 4.5 (n - 1). Using this rule, he found the cost of 14 hamburgers to be $60.50.