Ok so these are the first 3 hope its clear
Answer:
number 5 is 11 and number 6 is 16
Step-by-step explanation:
you substitute a for 4 bc a equals 4 and than finish the equation 4+7=11
6. you substitute b for 2 and c for 8 and multiply which than is 16
Answer:
Step-by-step explanation:
14.3 + 21.1 + x = 50
35.4 + x = 50
x = 50 - 35.4
x = 14.6 <=== she biked 14.6 miles on the 3rd day
-5a^2 - 7a = -a x (5a + 7)
let me know if you have any other questions
:)