An=-5n+90 i dont know it

A jar contains 5 green marbles and 9 purple marbles. A marble is drawn and dropped back into the jar. Then a second marble is drawn and dropped back into the jar. Both marbles are green.

B) y and z are whole numbers. y < 70 Z<60 Work out the largest possible value of y + z

How to understandword problems

Go do I solve this problem (42+18-54) * √100: (9√2-11*6) * (36-34*1√4)

How many axes are there in a dot plot?

Selena's snow cones stand sells Small snowcones for $2 dollars and large snow comes for $3.50 one summer day she sold $163 worth of snow cones.

Whats the radius if a basketball?

What is 66 divided by 117216?

Consider f (x) = 1.8x - 10 and g (x) = - 4. A 2 column table with 6 rows. The first column, x, has the entries, negative 4, 0, 2, 4. The second column, f (x) has the entries, negative 17.2, negative 13.6, negative 10, negative 6.4, negative 2.8.

What is the axis of symmetry of h (x) = 5x2 + 40x + 64?