Which molecule is the source of carbon and oxygen for the Calvin cycle to produce carbohydrates?

Perform the indicated operation of subtraction on the two rational expressions and reduce your answer to lowest terms.7x−4×2−2x−15−8x−5

Perform the indicated operation of multiplication or division on the rational expressions and simplify.s2−424⋅4(s+2)2

Perform the indicated operation of multiplication or division on the rational expressions and simplify.y2−1610÷(y+4)22

Consider the following equation:x−4x+5=42Solve the equation, if possible. If there is a solution, express your answer as either an integer or a simplified fraction.

Perform the indicated operation of subtraction on the two rational expressions and reduce your answer to lowest terms.7×6−x−8xx−6

Reduce the following rational expression to its lowest terms.x2+3xx2+6x+9

Perform the indicated operation of subtraction on the two rational expressions and reduce your answer to lowest terms.7x+8×2−8x+12−6x−6

Perform the indicated operation of multiplication or division on the rational expressions and simplify.nm+1÷mn+7nm2+8m+7

Consider the following equation:−5x−5=1−1x+7Solve the equation, if possible. If there is a solution, express your answer as either an integer or a simplified fraction.