HELP ASAP I HAVE 20 MINS ILL GIVE YOU BRANLIEST AND A HUGE THANK YOU 1- Which expression is equivalent to |a|≤3 ?

a ≤ –3 or a ≥ 3

a ≥ –3 or a ≤ 3

a ≤ –3 and a ≥ 3

a ≥ –3 and a ≤ 3

2- Which expression is equivalent to |b|>7 ?

b > –7 or b –7 and b 7

b 7

3- Solve the equation. |k + 7| = 3

{–10, –4}

{all real numbers greater than or equal to –10 and less than or equal to – 4}

{–4, 4}

{–4, 10}

4- Solve the inequality. 3 + |t + 4| 3 or t 11

–11 < t < 3

Which is the graph of this function 3 square root of x plus one if

Maria found the least common multiple of 6 and 15. her work is shown below. multiples of 6: 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, . . multiples of 15: 15, 30, 45, 60, . . the least common multiple is 60. what is maria's error?

Plz answer asap! i will reward brainliest and 12 points for these three questions!take notice: these three questions are completely different! 1) what is the percentage of sugar in the syrup made of 10 kg of water and 4 kg of suugar? 2) what was the original price if after 10% discount it became $450? 3) at first a price was decreased by 12%, then it was disounted again by an additional 5%. what is the percent of the total discount? , and remeber i will award brainliest and 12 points!