Jack is learning to play the piano which has 88 keys if there are 12 unique keys in each octave. how amny complete octaves are on the piano

2. Himal has borrowed Rs. 24,000 from a commercial bank for 3 years at a simple interest rate of 12.5%. Find out the amount of interest he will get after 3 years if he has given a loan to Sangita to get cyclical interest at the same interest rate.

Write and simplify the expression for the area of a rectangle with a width of 3 inches and a length that is 8 inches more than x

Ricardo is factoring the polynomial, which has four terms. 5x3 + 20x2 + 2x + 8 5x2 (x + 4) + 2 (x + 4) Which is the completely factored form of his polynomial? A. 5x2 (x + 4) B. 7x2 (x + 4) C. (7x2 + 2) (x + 4) D. (5x2 + 2) (x + 4)

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In how many ways can 50 cards be chosen from a standard deck of 52 cards using permutations

Mr. Malone used 40 pounds of insecticide to cover 1760 ft.² of lawn and 60 pounds to cover an additional 2640 ft.² how many pounds of insecticide when Mr. Maloney to cover is a whole lawn of 4480 ft.²

Rachel needs to wite 3 book reports with b pages and 3 science reports with s pages during the school year. Write an algebraic expression for the total number of pages Rachel will need to write.

The table models how the population of a city has changed over time. What does the y-intercept represent?

The back of Alisha's property is a creek. Alisha would like to enclose a rectangular area, using the creek as one side and fencing for the other three sides, to create a corral.

Given the function f (x) = - 2x2 + 3x + 10, find f (1) and f (3). Choose the statement that is true concerning these two values. The value of f (1) is the same as the value of f (3). The value of f (1) cannot be compared to the value of f (3).