21, cause if sarah had twice as mych she would have 42 and 42+21=63
Answer:
9
Step-by-step explanation:
Harrison is correct because the 305 in the actual problem is greater than the 300 in the estimate and 57872 is less than 60000. Harrison arrived at his prediction by rounding to the nearest ten thousand and nearest hundred.
The constant is a number by itself.....no variables
so the constant in y = 4x - 110 is : -110
Answer:
A recursive formula designates the starting term, a1, and the nth term of the sequence, an , as an expression containing the previous term (the term before it), an-1.Find a recursive formula. This example is an arithmetic sequence (the same number, 5, is added to each term to get to the next term).
