A piano has 52 white keys. Write and use an equation to find the number of octaves on a piano keyboard.

X+6y=29 2x-4y=-6 Solve for x in the first equation

Is y = 3/4x + 2 And - 6x+8y=16 parallel or coincident

What is a mixed number that is equivalent to 16/3

What value of b will cause the system to have an infinite number of solutions? y = 6x-b 3x+1/2y=-3 -3x + 2 y = - 3 b = O 2 X 04 6 8

Identify do unit rates from the easy questions explaining how you found the unit rate what information do the unit rates give you

When Rosa tripped and fell into a muddy puddle at lunch (she was so embarrassed!), she knew exactly what would happen: within ten minutes, the two girls who saw her fall would each tell four people what they had seen.

What is the Vertex y=2x^2+6

What is 128 divided by 8

A collector's hockey card is purchased in 1990 for $5. The value increases by 6% every year.

At a local University 54.3% of incoming first-year students have computers. If 3 students are selected at random, find the following probability. A) At least one has a computer B) None have computers