Answer:
x is 55 and the perimeter is 120
Step-by-step explanation:
55+55 is 110 and 5+5 is 10 so that all adds up to 120
The answe is 12. formula is 2/3x=8
Answer:
B) –10r5 + 15r4 + 25r3
Step-by-step explanation:
–5r3(2r2 – 3r – 5)
apply distributive property:
–5r3*(2r2) –5r3*( – 3r) –5r3*(– 5)
–10r5 + 15r4 + 25r3