Can someone plz help me with this??? I will also mark you brainliest!!!

Marlow is comparing the prices of two trucks rental compaines company a charges $3 per hour and an addtional $75 as serivce charges company b charges $2 per hour and an additional $85 as serivce charges

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c

Which word in the sentence below is an interrogative pronoun? who is picking us up from school? whousisfrom