When an ages array is correctly initialized using the values {20, 30, 40, 50}, then the value of ages[1] is . 20 30 undefined 0

Which statement is always true? a negative exponent cannot be part of an expression's numerator. a negative base raised to the power of 2 has a negative value. a negative base raised to the power of 2 has a positive value. any number to the first power is zero.

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

Aportion of a hiking trail slopes downward at about an 84° angle. to the nearest tenth of a flot, what is the value of x, the distance the hiker traveled along the path, if he has traveled a horizontal distance of 120 feet? a. 143.3 b. 12.5 c. 120.7 d. 130.2