18 + what will get me 45

A wall takes 10 seconds to strike 6. how much time will it take to strike 12?

Erica and tim each use their cell phones to send texts and make phone calls. Erica sent 18 texts and made 6 calls today. Tim sent 12 text and made 4 calls today. Which of the following best compares Erica's and Tim's text and calls?

X+3=the square root of 3x+37

Convert: 42 centigrams 6 milligrams = 1 milligrams

Violet chewed 5 times as many pieces of bubble gum in one week as her friend if her friend chewed 12 pieces of bubble gum. how many did violet chew

What is the Area of a parallelogram with 14 as its base and 7 as its height

Simplify 1 37/45 to the least you

What are the coefficients in the expression 4x6y+8

Three boxes contains counters. There are 63 counters in total. The total number of counters in box A and box B is 36. The difference between the number of counters in box A and box C is 10. Work out the number of counters in each box.

Let f (x) = -5x+3 and g (x) = 2x-4 find f (x) + g (x) NEED SOON