X-7y=12 and 3x+12y=36

Adele works at an appliance store. She recently sold 18 appliances, 2 of which were ovens. What is the experimental probability that the next appliance Adele sells will be an oven? Simplify your answer and write it as a fraction or whole number.

Which data set has the widest spread? data set a: 1, 1, 2, 1, 2, 1 data set b: 2, 2, 4, 4, 3, 3 data set c: 1, 1, 2, 2, 1, 5 data set d: 3, 5, 5, 5, 5, 4

Sue's Sushi placed two orders with its fish supplier. One order was for 11 pounds of salmon and 6 pounds of tuna; the order totaled $197. The other order was for 8 pounds of salmon and 4 pounds of tuna; this order totaled $140.

What is k in 3/k = 4/5

Having a problem with this haha. if Y x Y x Y = 7 whats Y?

If a cube has a surface area of 384 in what is its volume?

Would they product of 3 and 165 be less than or greater than 600

What is x + y / z X = 20 Y - 30 Z = 10

What properrty is shown? 4 + (3+2) = 4 + (2+3)

Whitney has a total of 30 cupcakes for her guests. the function rule, 30 : x where x is the number of guests, can be used to find the number of cupcakes per guest.