Use mental math to approximate what a 15% tip would be for a bill of $31.99.

How many people do you need to switch a lightbulb?

A new car is purchased for 20700 dollars. The value of the car depreciates at 7.25% per year. To the nearest year, how long will it be until the value of the car is 10800 dollars

Challenge: During November, a farmer bought 350 chickens to add to his current flock. At the end of the month he sold 90% of his total flock and he now has 140 chickens. How many did he have at the beginning of November?

Simplify 4 + 10 : (-2). Question 20 options: A) -1 B) -7 C) 1 D) 7

How many significant digits are there in the number 1.007? A. 1 B. 2 C. 3 D. 4

Question 9 Unsaved Solve the equation. Y + (-6) = - 9 Question 9 options: 54 3 - 3 - 15

Find the remainder when f (x) is divided by (x - k) f (x) = 3x3 - 4x2 - 3x + 14; k = 3 A. 50 B. 68 C. - 12 D. 112

A cyclist rode 40 miles before having a flat tire and than walking 5 miles to a service station. The cycling rate was four times the walking rate. The time spent cycling and walking was 5 hours. Find the rate at which the cyclist was riding.

In an Algebra II class with 135 students, the final exam scores have a mean of 72.3 and standard deviation 6.5. The exams on the exams are whole numbers, and the grade pattern follows a normal curve. a.

What is the approximate area of the circle shown below 9.4cm