Answer:
Hello!
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(2a-b)^2 -4(2a-b) -13 =

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Step-by-step explanation: All you have to do is Factor the polynomial.
Hope this helped you. Brainliest would be nice!
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Answer: 78
Step-by-step explanation:
![[(12+3)\times5]+3\\(15\times5)+3\\75+3\\\implies\boxed{78}](https://tex.z-dn.net/?f=%5B%2812%2B3%29%5Ctimes5%5D%2B3%5C%5C%2815%5Ctimes5%29%2B3%5C%5C75%2B3%5C%5C%5Cimplies%5Cboxed%7B78%7D)
Answer:
13 hours
Step-by-step explanation:
Set up a proportion.
464 miles / 8 hours = 754 miles / x hours
Cross multiply
464x = 6032
Divide by 464 on both sides
x = 13
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The sum of 18 terms is 792.
<h3>What is an Arithmetic Sequence ?</h3>
An arithmetic sequence is defined as the sequence of numbers in which the difference between two consecutive terms is same.
First Term is 10
Common Difference = 4
The partial sum of the arithmetic sequence is given by

Here a is the first term , d is the common difference

Therefore the sum of 18 terms is 792.
To know more about Arithmetic Sequence
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Answer:
QR = 1.3
Step-by-step explanation:
Sides TQ and TS are congruent, thus Δ QST is isosceles.
RT is a perpendicular bisector, that is it bisects QS at right angles, thus
QR = RS = 1.3