Sierra left $4.50 as a tip for a waiter. This was 18% of the bill before the tip. How much was her total bill before tip?

A recent poll of 380 randomly selected Americans showed that 24% ( = 0.24) are happy with their cell phone carriers. The country's largest cell phone carrier would like to know, within a 90% confidence level, the margin of error for this poll.

3x+y=4 x+2y=-2 what is the answer

How many square feet of wood will Donald use to construct the planter? A) 5.25 square feet B) 6 square feet C) 7.5 square feet D) 9.75 square feet

The expression 3j+10 shows the total cost with shipping for 3 pair of jeans. Find total cost of each pair costs 25 dollars

Factor the sum of terms as a product of the GCF and a sum 18 + 20

What is 66 divided by 117216?

Consider f (x) = 1.8x - 10 and g (x) = - 4. A 2 column table with 6 rows. The first column, x, has the entries, negative 4, 0, 2, 4. The second column, f (x) has the entries, negative 17.2, negative 13.6, negative 10, negative 6.4, negative 2.8.

What is the axis of symmetry of h (x) = 5x2 + 40x + 64?

What is the change in elevation from 8,500m to 3,400m

What is the next number in the sequence of 12, 13, 15, 17, 111, 113, 117, 119, 123?