Some wolves howl in the woods. 12 wolves join them. Now 30 wolves howl. How many wolves howled at first?

jordan has 11 feet of lumber to make wooden signs. If each sign requires 2/3 of a foot of lumber, how many signs can he make?

Doig is going on a 220 mile trip if he drives for 4 hours at an average speed of 45 miles per hour how many miles will he still have left to go on his trip

The length of a rectangle is five times its width. if the perimeter of the rectangle is 60 yd, find its area.

Suppose the newspaper states that the probability of rain today is 55%. What is the complement of the event "rain today"? 1. rain yesterday 2. rain tomorrow 3. no rain today 4. no rain tomorrow

Raising any base to the power of zero will yield?

Round 76,902 to the nearest one thousand

Makayla already has $45 dollars in her savings account. If she puts $15 per week in her account, how many weeks can she save to have at least $120 in her account? Select all that apply: A) 15 B) 45 C 60 D) 61 E) 65 F) 75

32 cans of coke cost a total of $8.96. what is the cost per can? let c represent the cost for one can of coke

A fluid moves through a tube of length 1 meter and radius r=0.002±0.00015 r=0.002±0.00015 meters under a pressure p=3⋅10 5 ±2000 p=3⋅105±2000 pascals, at a rate v=0.5⋅10 - 9 v=0.5⋅10-9 m 3 m3 per unit time.

Which statement about the Golden Age of Islam is a fact rather than an opinion? A. Islamic art was more abstract than Greek art. B. Muslims were the best early mathematicians. C. Islamic society preserved Greek and Roman culture. D.