Indicate whether each equation below is a one-step equation or a two-step equation. 25 = x + 3

One step equation or two step equation?

2b - 7 = 15

One step equation or two step equation?

10m = 90

One step equation or two step equation?

3-12. write each answer with a reasonable number of figures. find the absolute uncertainty and percent relative uncertainty for each answer. (a) [12.41 (±0.09) + 4.16 (±0.01)] x 7.068 2 (±0.000 4) =? (b) [3.26 (±0.10) x 8.47 (±0.05)] - 0.18 (±0.06) =? (c) 6.843 (±0.008) x 104 + [2.09 (±0.04)- 1.63 (±0.01)] =?

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?

Arectangle plot measure 20ft. by 30ft. a 3-ft.-wide sidewalk surrounds it.find the area of the sidewalk.