A support holds up a shelf on a wall. 1 2 Which describes the relationship between 21 and 22? A. alternate interior angles O d. supplementary angles B complementary angles O E. vertical angles Oc C. corresponding angles

Which equation can be used to solve for the unknown number? seven less than a number is thirteen. n-7=13 7-n=13 n+7=13 n+13=7

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

Y=(x+3)(x-4)(x+1)^2 sulutions? multiplicity?