The land bridge (Bering strait) and the crossing from Canada
Answer: a + 4
explanation: sum means what comes from two numbers being added. so you just need to add a and 4
Step-by-step explanation:
sol;
x+1=y...(1)
3y-7=2x....(2)
or, 3(x+1)-72x [from (1)]
or, 3x+3-7=2x
or, 3x-2x=7-3
x=4
now,
putting the value of x in (1)
y=x+1
=4+1
=5
PR and SQ are the diagonal of PQRS.
Divide 7% into $240 dollars and hat should get you your answer.
hope this helps!
