6 Pens cost x pence each. Rulers cost y pence each. Hassan buys 3 pens and 2 rulers.
The shopkeeper charges him I pence.
Find an expression for T

20 only answer if 100% sure most high school-aged teens are very active. a. true b. false

State whether weight is a function of height for the six students and explain. a. yes, height is a function of weight because two students weigh 165 pounds but have different heights. b. no, height is not a function of weight because two students weigh 165 pounds but have different heights. c. yes, weight is a function of height because for each value of height there is one corresponding value of weight. d. no, weight is not a function of height because there is not enough data to determine a function.

The trigonometric ratios sine and secant are reciprocals of each other