If the fourth term of a geometric progression is

-81/2 and the fifth term is 243/2 find a1 and r?

What is the value of y in y-5=3-9 (y+2)

A circle has a circumference of about 16.3 meters and a diameter of about 5.2 meters. What is the relationship between the circumference and diameter of this circle?

Which statement best describes how to determine whether f (x) = 9 - 4x^2 is an odd function? Determine whether 9 - 4 (-x) ^2 is equivalent to 9 - 4x^2. Determine whether 9 - 4 (-x^2) is equivalent to 9 + 4x^2.

If f (x) is a linear function, f ( - 1) = - 4, and f (2) = 1, find an equation for f (x) in slope-intercept form.

2-3 (2x-1) = -6x55 solve for x

The perimeter of the garden shown is 6x + 2 units. find the length of the missing side

What is the value of x in the equation 6 (x + 1) - 5x = 8 + 2 (x - 1)

Maine has a cold climate in the winter. Which statement about the probability of temperatures falling below 32°F in Maine during the month of January is most likely true? The probability cannot be determined before February The probability is 100.

You have $37.85 do you want to buy some tape that each cost $4.95 write and solve inequality to estimate the greatest number of tapes that you can buy

Follow the order of operations to find the value of the expression 45: (17_2)