Using the line of best fit as a guide, predict the number of weeks of practice it would take for someone to type 80 words per minute.

The length of an intercepted arc of a central angle of a circle is 4 cm. if the radius of the circle is 5 cm what is the measurement of the central angle to the nearest whole degree

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.

Change negative exponents to positive. then solve. round to four decimal places