Which equation shows how the solution to 25x^2- 1=0 can be found by factoring? a.(5x-1)^2=0 b.(25x+1)(25x-1)=0 c.5(x+1)(x-1)=0 d.(5x+1)(5x-1)=0

An arithmetic series a consists of consecutive integers that are multiples of 4 what is the sum of the first 9 terms of this sequence if the first term is 0

Sioux co. replaced the roof on its existing building, therefore increasing the building's life by 10 years. the cost of the roof is considered a(n):

Angie has saved 3/8 of the amount she needs to buy a bike. clive has saved 7/10 of the amount he needs to buy a skateboard. what is the difference between clive's and angie's fraction of savings?