"simplified the fraction to the simplest form, if you can't simplify more put UNDEFINED"

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

Which of the following is true about the graph of f(x)=7^x. select all that apply. a= it intercepts the x axis b=it intercepts both axis c=it intercepts neither d=it intercepts the y axis

D(5, 7). e(4,3), and f(8, 2) form the vertices of a triangle. what is mzdef? oa. 30° ob. 45° oc. 60° od 90°