What value of C is needed to complete the square?

x2 + 10x +c= -3+ c

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Which of the following values are in the range of the function graphed below? check all that apply ! - will give the answer "brainliest! "

What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²