Multiple Choice The keyboard instruments evolved from which other instrument (1 point) xylophone harp flute wood blocks

What is the area of a triangle with a base of 9 units and a height of 7 units? A. 126 sq. units B. 15.75 sq. units C. 63 sq. units D. 31.5 sq. units

d. La mitad de un número más su doble

What can each ovule turn into if fertilized? ovary pollen seed

255 cateti di un triangolo rettangolo sono uno i \( \frac{5}{12} \) dell'altro e la loro somma misura 85 cm . Calcola l'area. \( \left.\quad 750 \mathrm{~cm}^{2}\right] \)

\( e ) ( f ^ { \circ } g ) ( x ) = \)