A triangle has an area of 42 square feet. If the height of the triangle is 4 feet, how many feet is the length of the base?

What is the value of x in the equation 6(x + 1) – 5x = 8 + 2(x – 1)?

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

You have 138.72 in your saving account u take out 45.23 and 18.00 you deposit 75.85 into your account