All I’m asking for is help on this I’m having a hard time please help me .. : Complete the explanation of how an estimate helps
you to place the decimal point when multiplying
2.7 x 7.3.

By estimating with whole numbers, 3 x( )=( ) helps me know that the decimal point should
be placed so that the answer is close to ( ).

What is the inverse of the function f(x) = 2x + 1?

Factor the polynomial 4x4 – 20x2 – 3x2 + 15 by grouping. what is the resulting expression? (4x2 + 3)(x2 – 5) (4x2 – 3)(x2 – 5) (4x2 – 5)(x2 + 3) (4x2 + 5)(x2 – 3)

Consider a bag that contains 220 coins of which 6 are rare indian pennies. for the given pair of events a and b, complete parts (a) and (b) below. a: when one of the 220 coins is randomly selected, it is one of the 6 indian pennies. b: when another one of the 220 coins is randomly selected (with replacement), it is also one of the 6 indian pennies. a. determine whether events a and b are independent or dependent. b. find p(a and b), the probability that events a and b both occur.