Asap 7. solve the equations: -3 = z + 4 a. z = 4 b. z = -4 c. z = -7 d. z = 7 z - 4 = -8 a. z= -2 b. z = 32 c. z = -4 d. z = -12 6.4 = 4x a. x = 2.4 b. x = 1.6 c. x = 4 d. x = 10.4 -9 = r/4 a. r = 36 b. r = 13 c. r = 9/4 d. r = -36 -9 = 3/8n a. n = =24 b. n = 24 c. n = 5 d. n = -5

Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each work day the number of pairs of shoes that she has left to sell that month is given by the equation s=300-15x , where s is the number of pair of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation

The length of an intercepted arc of a central angle of a circle is 4 cm. if the radius of the circle is 5 cm what is the measurement of the central angle to the nearest whole degree

Vinny is interviewing for a job. he wants his take home pay to be at least $42,000.what is the least salary he can earn if he pays 25% income tax?