Answer:
11
Step-by-step explanation:
Angle SRT + angle RTU = angle STU
11x - 7 + 2x + 16 = 152 add like terms
13x + 9 = 152
13x = 143
x = 11
51
10 by 5 is 50 plus 9 is 59 subtract 8 is 51
10*5+9-8 = 51
2 to the 100 power = 1.2676506002 × 10 to the 30 power.