How many different eight-digit phone numbers can be used in one area code if no phone number begins with 0 or 1?
?

Fill in the blank(s) with the appropriate word(s).


80,000,000

Mathematics

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Is the given number z in the Julia set?z = -0.25 - 0i

A. Yes B. No

Mathematics

Find the Social Security tax (6.2%), Medicare tax (1.45%), and state disability insurance deduction (1%) for the employee. Assume the employee is under the FICA and SDI maximums at the end of the current pay period and assume that  is paid for any overtime in a  week. Round to the nearest cent if needed.  Hours Reg FICA Medicare SDIEmployee  Worked Rate Tax Tax TaxHudson, R.   45.98 $7.71 

A. $19.12, $4.47, $3.08 B. $32.97, $7.71, $5.32 C. $21.98, $5.14, $3.55 D. $23.41, $5.47, $3.78

Mathematics

Tell which brand is the better buy.Brand X  20 oz for $2.80Brand Y  15 oz for $1.95

A. Equal value B. Not enough information C. Brand Y D. Brand X

Mathematics

Solve the problem.Super Sally, a truly amazing individual, picks up a rock and throws it as hard as she can. The table below displays the relationship between the rock's horizontal distance, d (in feet) from Sally and the initial speed with which she throws. Assume that the horizontal distance travelled varies linearly with the speed with which the rock is thrown. Using a graphing utility, find the line of best fit, and estimate, rounded to two decimal places, the horizontal distance of the rock if the initial speed is 33 ft/sec.

A. 26.67 feet B. 31.34 feet C. 31.33 feet D. 34.76 feet

Mathematics