Can anyone with my algebra homework?
1. simplify
-23.9a + 46.8 + 42.6a - 26b - 18.7a
a) 52a - 26b + r6.8
b) -26b + 46.8
c) -18.7a - 26b + 46.8
d) 23.9a - 26b + 46.8
2) simplify -10 + 3r + 2r^2 - r
a) r^2 - 10 - 2r
b) 2r^2 + 2r - 10
c) 2r^2 - 2r - 10
d) r^2 -10 + r
3) simplify -2b + 7 - 2a +5b -6a
a) -8a + 3b +7
b) 8a - 3b + 7
c) -4a + 7b + 7
d) 4a - 3b + 7
4) simplify 24 - 4 (5y -6z) + 3y -7z
a) -23y + 31z + 24
b) -17y - 31z + 24
c) 23y + 17z + 24
d)-17y + 17z + 24
5) simplify 14.2 + 6.5 (p + 3q) - 4.05q
a) 6.5p - 15.45q + 14.2
b) 6.5 + 23.55q + 14.2
c) 6.5p + 15.45 + 14.2
6.5p - 23.55q + 14.2
6) simplify
a) 18f - 12s - 20
b) 20f + 12s - 20
c)20f - 22s -20
d) 18f + 12s - 20