, diameter AB= 20 cm, and chord AC= 16 cm, OP ⊥AC, then OP=…… A. 8 cm B. 7cm C. 6cm D. 5 cm E. 4cm 2.The distance between the two parallel chords AB and CD is A. 4 cm B. 5cm C. 6 cm D. 7 cm E. 4cm 3.The

9Math Q03-1001 Chapter 3 Exponents and Radicals If 23x+3 = 8272, then x is equal to….. A.2 B.3 C.5 D.8 E.9 If 312x+1 . 3x+4= 99, then x=………. A.4 B.5 C.6 D.7 E.1 4.288 + 200 + 392 =…….. A.202 B.162 C.102

9Math Q06-1001 Chapter 6 Ratio, proportion and Variation 4 gallons : 6 quarts=………. A. 2:3 B. 8:3 C. 4:6 D. 3:8 E. None of these 6600 feet : 2 miles =………… A. 8:5 B. 5:8 C. 33:1 D. 22:1 E.3300:1 If 12x+y=2x,