Joan walked 50 dogs this week.40% of the dogs were brown. how many dogs were brown?

Given the function f(x) = log base 4(x+8) , find the value of f^-1(2)

Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?

Find an equation for the linear function which has slope -10 and x-intercept -7