A) determine which amounts of postage can be formed using just 3-cent and 10-cent stamps.
b) prove your answer to (a) using the principle of mathematical induction. be sure to state explicitly your inductive hypothesis in the inductive step.
c) prove your answer to (a) using strong induction. how does the inductive hypothesis in this proof differ from induction?

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

With these 5 geometry questions! pls 1.)quadrilateral abcd is inscribed in this circle. what is the measure of ∠a ? enter your answer in the box.°2.)quadrilateral abcd is inscribed in a circle. what is the measure of angle a? enter your answer in the box. m∠a= 3.)quadrilateral abcd is inscribed in this circle. what is the measure of angle b? enter your answer in the box. m∠b= °4.)quadrilateral abcd is inscribed in this circle. what is the measure of angle a? enter your answer in the box.°5.) quadrilateral abcd is inscribed in this circle. what is the measure of angle c? enter your answer in the box.°

Traffic on saturday, it took ms. torres 24 minutes to drive 20 miles from her home to her office. during friday's rush hour, it took 75 minutes to drive the same distance. a. what was ms. torres's average speed in miles per hour on saturday? b. what was her average speed in miles per hour on friday?