it takes 10 pounds of mash potatoes to make 15 pounds of mashed potatoes. how many pounds of mash potatoes can they make with 15 pounds of mash potatoes

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?