A safe prime is a prime number that can be written in the form 2p+1 where p is also a prime number. for example, 47 is a safe prime since 47=2*23+1 and 23 is also a prime number

The product of 7 and a number, increased by 25 is 228. what is the number

Find the unit rate. 20 miles in 2 minutes = ___ miles per minute

A bus makes a stop at 2:30, letting off 15 people and letting on 9. The bus makes another stop ten minutes later to let off 4 more people, How many more or fewer people are on the bus after the second stop compared to the number of people on the bus

The rectangle below has an area of 4 (x+3) [4 is width, x+3 is length] square units. If the dimensions of the rectangle are doubled, what is the area of the new rectangle in terms of x?

Specify which axis is the line of symmetry

Using quarters, dimes, nickles and pennies how to make $1.53 in 12 coins

What figure has 4 sides & only one pair of parallel lines

What is 1,265 divided by 34

Find the number of degrees in the third angle which is X of the triangle 42 and 100

At a party 53 people arrived. Then 100 people came later on. What is the percent of change.