Sierra sawed 10 1/2 inches off the end of a board. the remaining board was 37 1/2 inches long. how long was the boared that sierra started with? please explain answer

for each student . There are 18 students in his class Part A Round each fac
Radioactive dating involves determining which of the following?
can -62 be classified as a natural number
Which of the following best describes the relationship between the shape of enzymes and the reactions they catalyze? (2 points) Select one: a. The shape of an e