Write 2 times 3 times n in a shorter way

1. If I get a loan of $30,000 and I promise to pay in 10 equal instalments of $3,000 each semester, how much interest in total do I have to pay if 10% each semester over the balance.

Ticket prices were on sale from $7.50 to $4.00. What is the percent of decrease rounded to the nearest tenth?

If g (x) = x+1/x-2 and h (x) = 4 - x, what is the value of (g o h) (-3)

13 yd Circumference =.

Write 6/9 in simplest form

Which of the following is not equal to cot⁡ (210°) ? cot⁡ (-150°) cot⁡ (30°) -cot⁡ (30°) -cot⁡ (-30°)

A sand volleyball court has an area of 162 square meters and a perimeter of 54 meters. What are the dimensions of the volleyball court?

If a number is a multiple of 64, then it is a multiple of 8. If a number is a multiple of 8, then it is a multiple of 2.

2.38+4.89=3 + _ changing expressions?

The tax rate is 7.5%. What is the tax on $110? round to the nearest hundreth.