Anna buys 12 pens and 20 pencils for a total of 16. One pen costs 0.40 more than one pencil. What would 1 pen and 1 pencil cost

Which of the following is a type of program that is designed to collect information about you and send it to a remote user without your knowledge?

500 people fill up 4/9 of the hall. What is the seating capacity of the hall?

X+y=10 and 2x+4y=30 What are the steps to solve this equation?

Andy enters in a futures contract allowing him to sell 5,000 troy ounces of gold at $1,000 per ounce in 36 months. After that time passes, the market price of gold is $950 per troy ounce. How much did Andy make or lose? Choose one.

What is the 4th prime number

BD is a diameter of circle O. If m∠ACB = 30°, what is m∠DBA?

Goran caught a 3 pound fish. How much did it weigh in ounces?

Mr shen likes for his homework assignment to have 2 addition problems for every 3 subtraction problems

Hank estimated width of the door to his classroom in feet. what is a reasonable estimate?

List all the prime numbers between 7 and 35