Write an algebraic expression?

j decreased by 7

A sector of angle 125° is revoked from a thin circular sheet of radius 18cm. it is then folded with straight edges coinciding to form a right circular cone.

A college student needs 11 classes that are worth a total of 40 credits in order to complete her degree. The college offers both 4-credit classes and 3-credit classes. How many 4-credit classes does this college student need to complete her degree?

Nine divided by one and two tenths

An apprentice productively working a 40-hour week earns more wages and is worth considerably more to the local union and the industry than one who works only 30 hours per week.

What is the greatest common factor of the pair of numbers? 198 and 330 A. 99 B. 66 C. 30 D. 11

A population of bacteria is growing according to the function below, where t is in hours. How many hours will it take for the population to grow to 1,000 bacteria? Round your answer to the nearest integer. Do not include units in your answer.

T is the solution to the equation x + 16 = 64? x = 4 x = 32 x = 36 x = 47

If AC = 5x-16 and CF=2x-4, thanAF=

A circle has the circumference of 169 pi what is the radius of the circle?

What is 0.25 of 1000