Combining like terms -7h + 8h - 5 - 6

Step-by-step explanation:

Here,

We should should simply like terms

h-11

Step-by-step explanation:

Let's think about it as though the letters weren't there

This would mean you'd have to do -7+8 which is 1, or in this case, would give you 1h, but you don't need the 1 in front so it's just positive h.

-5-6 is -11, so the final thing is h-11

I hope that helps!

a28=58

step-by-step explanation:

a1=a1+(n-1)d

a28= 4+ (28-1)2

a28=4+(27)(2)

a28=4+54

a28=58