Answer: 5%
Step-by-step explanation:
if it was 2.90 yesterday and 2.85 today there is a 5 cent decrease. to find the percent you convert .05 to a percent which is 5%
the 4th one is a relationship that is a fuction I think
6.a
7.c
8.d
9.c
10.c
Hope I helped BTW these are 100% correct good luckk:-)
Answer:

Step-by-step explanation:
(-⁹/13) × (-⅔)
³/13 × 2
= ⁶/13
( x + 1) / [ x( x + 1 )] + (2x) / [ x( x + 1 )] = ( 3x + 1 ) / [ x( x + 1 )] ;