Use the diagram to answer the following question. If AB=3x-2 and EF=x+1, find AB. Triangle is inside of another triangle with midpoints. Answer is 10. Show steps: 2(3x-2) = 1/2( x+1)2
6x-4 = x+1
-x +4 = -x+4
5x = 5
x = 1
Check: 3(1) - 2 = 1 Should be: 3(4) - 2 = 10
Where is my mistake?

Afunction, f(x), represents the height of a plant x months after being planted. students measure and record the height on a monthly basis. select the appropriate domain for this situation. a. the set of all positive real numbers b. the set of all integers oc. the set of all positive integers od. the set of all real numbers reset next

Simplify each expression. use positive exponents. show work . (x –2 y –4 x 3 ) –2

At store a, erasers are sold individually. the cost y of x erasers is represented by the equation y=0.75x. the costs of erasers at store b are shown in the graph.