Answer:
11.2ft
Step-by-step explanation:
14 is 2/3 of 21 so the scale factor is 2/3.
16.8x2/3= 11.2
Answer:
the answer is C. Direct Control
Step-by-step explanation:
giving each student the same test is something being controlled directly by the scientist/reasearcher
can't be randomization as it is not random
can't be replication as nothing is being replicated/duplicated
Answer:
-6w + 11wy + 6 - 4y
Step-by-step explanation:
Step 1: Write out expression
-6w + 9wy + 6 + 2wy - 4y
Step 2: Combine like terms
-6w + 11wy + 6 - 4y
9, the first f of x is 1, then substitute into the equation