Given a = 3 and b = - 8 ,
= > 2b² - 4a + 4a²
= > 2( - 8 )² - 4( 3 ) + 4( 3 )²
= > 2( 64 ) - 4( 3 ) + 4( 9 )
= > 128 - 12 + 36
= > 116 + 36
= > 152
Answer:
she will pay $19 for each day
Step-by-step explanation:
94-18=76
76÷4=19
You combine the numbers that have the same letter attached to them. Then you add or subtract the bumbers from each other to. After that you make the numbers and the numbers with letters into one equation
Ex: 13+5r+7r= 13+12r
Step-by-step explanation:
2w+w=3w If theres a letter by itself it means theres a 1.
1 hour and 15 mins
60mins=1hr
15/60=1/4
1hr and 15mins=1 and 1/4hr or 1.25hr
1.25 times 4.8=6
jogged 6 miles
10x^2 - (2 - 3x) + (5x - 3x^2)
=7x^ + 2x - 2
