Compute and simplify your answers to lowest terms. Your answer must be in improper fraction form. 15 9/10-(-2 1/5)

Which linear equations have an infinite number of solutions? check all that apply.  (x  –  3/7)  =  2/7(3/2x  –  9/14)8(x  +  2)  =  5x  –  1412.3x  –  18  =  3(–6  +  4.1x)(6x  +  10)  =  7(x  –  2)4.2x  –  3.5  =  2.1 (5x  +  8)

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5