Determine the area under the standard normal curve that lies left of
a.) Z= -1.02
b.) Z= 0.66
c.) Z= 1.35
d.) Z= -0.33

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Use the distributive law to multiply. 3(4x + 5y + 6)

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest