A12-foot ladder is leaning against the side of a building. the top of the ladder reaches 10 feet up the side of the building. approximately how far is the bottom of the ladder from the base of the building

Hannah is 3 years older than twice her brother joey’s age. joey is 2 years old. how old is hannah? show all of your work! the number of students is five more than seven times the number of teachers. there are 10 teachers. how many students are there? be sure to show all of your work!

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

X^2/100+y^2/25=1 the y-intercepts are at: a) (-10,0) and (10,0) b) (0,10) and (0,5) c) (0,-5) and (0,5)