Answer:
1. -1z-3
2. 4x+2
3. -y+11
4. 7a-22
Step-by-step explanation:
Not too sure about the last one
Answer:
12,13,15,16 i believe
Step-by-step explanation:
750 dollars in total <=500+250=750
250/750=1/3 or 33.33333333%
Answer:
x^2 y^12
Step-by-step explanation:
( x ^ 1/2 * y ^3 ) ^ 4
A power raised to a power has the exponents multiplied
a^b^c = a^ (b*c)
x^ 1/2 ^ 4 * y^3^4
x^(1/2*4) * y^(3*4)
x^2 y^12