Ayudenme a resolverlo por fa RESOLVER:

1) Si A y B son dos conjuntos: hallar A B ; A U B y A - B

A = { a ; b ; c ; e ; i }

B = { a ; e ; i ; o ; u }

2) 7 2 { 4 [7 + 4 (5 · 3 − 9)] − 3 (40 − 8)} =

3) [(17 − 15)3 + (7 − 12)2] : [(6 − 7) · (12 − 23)] =

4) (5 + 3 · 2 : 6 − 4 ) · (4 : 2 − 3 + 6) : (7 − 8 : 2 − 2)2 =

What should be done to solve the equation? x+14=21 add 14 to both sides of the equation. subtract 14 from the left side of the equation. add 14 to the left side and subtract 14 from the right side of the equation. subtract 14 from both sides of the equation.

Yuto and hila attempted to solve the same inequality. their work is shown below. which statement is true about the work shown above? yuto is correct because he isolated the variable correctly and reversed the inequality symbol. yuto is incorrect because he should not have reversed the inequality symbol. hila is correct because she isolated the variable correctly and reversed the inequality symbol. hila is incorrect because she should not have reversed the inequality symbol.

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line