Answer:
Step-by-step explanation:
h=-5t²+135
when t=3 s
h=-5(3)²+135=-45+135=90 m
He bought 3 small notebooks (3*7=21) and 3 large notebooks (3*10=30)
21+30=51
Answer:
hope it would help you
Step-by-step explanation:
the ans should be A
mark my ans as BRAIN LIST
Y=12.5x
because 12.5 is the constant and this is a directly proportional equation