1. Determina cuales de las siguientes expresiones son proposiciones. a) Sube al cuarto piso.
b) El triángulo ABC es equilátero.
c) ¿Qué es un ángulo obtuso?​

For what value of x does 4x = (1/8) x + 5?

In a probability experiment, karen flipped a coin 76 times. the coin landed on heads 32 times. what percentage of the coin flips resulted in tails? round to the nearest percent. a. 58% b. 65% c. 42% d. 60%

At the electronics store you have a coupon for 20% off up to 2 cds you buy for cds with the original cost of $10.99 each the sales tax is 5% what is the total cost of your purchase