The circumference of a circle changes from 20 to 4 after dilation what is the scale factor

Michael and Hema are both trying to save money. Micheal starts with $55 and is saving $20 per week. Hema has $40 and is saving $20 per week. After how many weeks will they each have exactly the same amount of money in their account

Prove that tan-1x + cot-1 (x+1) = tan-1 (1 + x + X^2)

A mermaid is swimming at sea level when a human comes by she dives in the water at a rate of 8 meters she continues to descend 20 second what depth is she now?

Where is the opposite of the opposite of - 1.9 situated on the number line?

Write the equation of the perpendicular bisector of MN. A) y = - 4 B) x = - 4 C) y = 4x D) y = x - 4

Given the range of the function find the corresponding domain. f (x) = 7x-1 Range {-2,0,4,8}

If Carrie and Cory add on 18% tip to the bill after tax what does their lunch cost in total

How do you do this function (3t + 4) (2t + 1)

Jon has to pay $7.00 admission for the skating rink and $1.50 per hour to rent rollerblades. How many hours can he skate for $19

Simplify square root of negative 121. - 11i 11i - 11 11