HELP WITH THESE THE TEACHER IS GONNA CALL ON ME

Askateboard ramp is in the shape of a right triangle what is the height of the ramp

Is there an x intercept in the equation 60*1.15^x

Students are given 3 minutes to complete each multiple-choice question on a test and 8 minutes for each free-responsequestion. there are 15 questions on the test and the students have been given 55 minutes to complete itwhich value could replace x in the table? 5507-m23-m8(15-m)8(15)-m