Find the final sale price of a basketball that is $ 35 which is on sale for 50% and then gets an additional 10% off.

Step-by-step explanation:

To find the percent of a number, we need to express the percent as a decimal with the decimal point of the original percent moved two places to the left. We cannot add the two percents together. You are only paying 50% of the original price.

50% = 0.5

We will now move to decimal two places to the left.

0.005 x 35 = 17.50

Now, we find 90% (since we only care about the amount you are paying) of $17.50

0.009 x 17.50 = 15.75

b. 6

step-by-step explanation:

we are given the table representing an exponential function.

we can see from the table that, as x is increasing, the value of y is increasing in the power of 6.

i.e. the following relation is obtained,

x = 1, y = 6

x = 2, y = 36 =

x = 3, y = 216 =

x = 4, y = 1296 =

x = 5, y = 7776 =

so, the geometric series obtained is .

thus, the common ratio is given by = = 6.

hence, the common ratio is 6.

step-by-step explanation:

the answer is 128