Your just multiplying 7 and 10, so your answer is gonna be B.
Answer:
Hey the answer is = 24x
Step-by-step explanation:
An algebraic expression comprises both numbers and variables together with at least one arithmetic operation. To evaluate an algebraic expression you have to substitute each variable with a number and perform the operations included.
HOPE THIS HELPS!
Answer:
643.72
Step-by-step explanation:
(x+3) (x-3)
Multiply the brackets together
x*x-3*x+3*x+3*-3
x^2-3x+3x-9
x^2-9
Answer : x^2-9
The sampling technique used is Simple Random Sampling option fourth would be the best choice.
<h3>What is simple random sampling?</h3>
Simple random sampling is a sampling strategy in which every item in the population has an equal probability of being chosen for the sample.
Simple random sampling selects a sample of objects at random from a population, with each item having an equal chance of being chosen.
Simple random sampling selects items for its sample from a table of random numbers or an electronic random number generator.
Thus, the sampling technique used is Simple Random Sampling option fourth would be the best choice.
Learn more about the simple random sampling here:
brainly.com/question/13219833
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