Yesterday morning, the temperature was - 11. The temperature increased 7 by noon and then decreased 4 by nightfall. What was the temperature at nightfall last night?

What is the best approximation of the solution to the system to the nearest valus 2x-3y=-6 and x+2y=8

A cylinder has a height of 14 centimeters and its circle bases have a radius of 10 centimeters. Find the surface area of the cylinder

Without solving an equation how can you determine if the equation has one solution?

The cafeteria at school offers pizza with thick (K) or thin (N) crust and with pepperoni (P), sausage (S), or extra cheese (E). The tree diagram for the offerings is shown.

Which of the following mathematical properties is described by the statement, "whatever is done on one side of the equation must also be done on the other side of the equation"?

In a restaurant, a study found that 42% of patrons smoked. if the seating capacity is 60 people, about how many people smoke

Shanna's collection of antique pottery has increased in value over the past two years. Two years ago, the value of her collection was $755. If the value increased 5% during the first year and 7% during the next year, what is the current value?

There are 48 cards in a pack and each card is either red or black. The ratio of the number of red cards to the number of black cards is 1 : 1 8 red cards are removed from the pack.

What is 6 factors of 20

My problem says blank is what percent of $80 = $20