If the interest of a sum at 7.5% p. a in 4 years is rs 1050, find the sum

Determine if the sequence is geometric. if it is, find the common ratio. 1) -2, 2/3, -2/9, 2/27 2) 0,2,5,9 3) 2, -10, 50, -250 4) 1,4,16,64

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.