50°
850
53 + x

I need to find the value of x and without saying x =

Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles

How many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.) how many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.)

Plzzz answer both questions and i will give you 100 points